25013307 has 16 divisors (see below), whose sum is σ = 38524032. Its totient is φ = 14267520.

The previous prime is 25013299. The next prime is 25013363. The reversal of 25013307 is 70331052.

It is a happy number.

It is not a de Polignac number, because 25013307 - 2³ = 25013299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25013207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21733 + ... + 22854.

It is an arithmetic number, because the mean of its divisors is an integer number (2407752).

Almost surely, 2^25013307 is an apocalyptic number.

25013307 is a deficient number, since it is larger than the sum of its proper divisors (13510725).

25013307 is a wasteful number, since it uses less digits than its factorization.

25013307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44618.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 25013307 is about 5001.3305229709. The cubic root of 25013307 is about 292.4536444912.

Adding to 25013307 its reverse (70331052), we get a palindrome (95344359).

The spelling of 25013307 in words is "twenty-five million, thirteen thousand, three hundred seven".