25013101 has 4 divisors (see below), whose sum is σ = 26329600. Its totient is φ = 23696604.

The previous prime is 25013081. The next prime is 25013113. The reversal of 25013101 is 10131052.

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 a cyclic number.

It is not a de Polignac number, because 25013101 - 2⁷ = 25012973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25013801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658221 + ... + 658258.

It is an arithmetic number, because the mean of its divisors is an integer number (6582400).

Almost surely, 2^25013101 is an apocalyptic number.

It is an amenable number.

25013101 is a deficient number, since it is larger than the sum of its proper divisors (1316499).

25013101 is a wasteful number, since it uses less digits than its factorization.

25013101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316498.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 25013101 is about 5001.3099284088. The cubic root of 25013101 is about 292.4528416436.

Adding to 25013101 its reverse (10131052), we get a palindrome (35144153).

The spelling of 25013101 in words is "twenty-five million, thirteen thousand, one hundred one".