25369997 has 12 divisors (see below), whose sum is σ = 27651456. Its totient is φ = 23249160.

The previous prime is 25369979. The next prime is 25369999. The reversal of 25369997 is 79996352.

It is not a de Polignac number, because 25369997 - 2⁸ = 25369741 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 (25369999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10058 + ... + 12324.

It is an arithmetic number, because the mean of its divisors is an integer number (2304288).

Almost surely, 2^25369997 is an apocalyptic number.

It is an amenable number.

25369997 is a deficient number, since it is larger than the sum of its proper divisors (2281459).

25369997 is a wasteful number, since it uses less digits than its factorization.

25369997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2317 counting only the distinct ones).

The product of its digits is 918540, while the sum is 50.

The square root of 25369997 is about 5036.8638059809. The cubic root of 25369997 is about 293.8372191889.

The spelling of 25369997 in words is "twenty-five million, three hundred sixty-nine thousand, nine hundred ninety-seven".