25145043 has 32 divisors (see below), whose sum is σ = 42086400. Its totient is φ = 12972960.

The previous prime is 25145039. The next prime is 25145051. The reversal of 25145043 is 34054152.

It is not a de Polignac number, because 25145043 - 2² = 25145039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25145053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45696 + ... + 46242.

It is an arithmetic number, because the mean of its divisors is an integer number (1315200).

Almost surely, 2^25145043 is an apocalyptic number.

25145043 is a deficient number, since it is larger than the sum of its proper divisors (16941357).

25145043 is a wasteful number, since it uses less digits than its factorization.

25145043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 25145043 is about 5014.4833233345. The cubic root of 25145043 is about 292.9661614911.

Adding to 25145043 its reverse (34054152), we get a palindrome (59199195).

It can be divided in two parts, 2514 and 5043, that added together give a palindrome (7557).

The spelling of 25145043 in words is "twenty-five million, one hundred forty-five thousand, forty-three".