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25043113 = 231088831
BaseRepresentation
bin101111110001…
…0000010101001
31202010022200201
41133202002221
522402334423
62252432201
7422601664
oct137420251
952108621
1025043113
1113155297
128478661
13525aa14
14347c6db
1522ea2ad
hex17e20a9

25043113 has 4 divisors (see below), whose sum is σ = 26131968. Its totient is φ = 23954260.

The previous prime is 25043107. The next prime is 25043119. The reversal of 25043113 is 31134052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (25043107) and next prime (25043119).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25043113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25043119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544393 + ... + 544438.

It is an arithmetic number, because the mean of its divisors is an integer number (6532992).

Almost surely, 225043113 is an apocalyptic number.

25043113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25043113 is a deficient number, since it is larger than the sum of its proper divisors (1088855).

25043113 is a wasteful number, since it uses less digits than its factorization.

25043113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088854.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 25043113 is about 5004.3094428702. The cubic root of 25043113 is about 292.5697615279.

Adding to 25043113 its reverse (31134052), we get a palindrome (56177165).

The spelling of 25043113 in words is "twenty-five million, forty-three thousand, one hundred thirteen".

Divisors: 1 23 1088831 25043113