25495897 has 8 divisors (see below), whose sum is σ = 29332352. Its totient is φ = 21708000.

The previous prime is 25495889. The next prime is 25495913. The reversal of 25495897 is 79859452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25495897 - 2³ = 25495889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25495897.

It is not an unprimeable number, because it can be changed into a prime (25498897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11004 + ... + 13117.

It is an arithmetic number, because the mean of its divisors is an integer number (3666544).

Almost surely, 2^25495897 is an apocalyptic number.

It is an amenable number.

25495897 is a deficient number, since it is larger than the sum of its proper divisors (3836455).

25495897 is a wasteful number, since it uses less digits than its factorization.

25495897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24279.

The product of its digits is 907200, while the sum is 49.

The square root of 25495897 is about 5049.3461953009. The cubic root of 25495897 is about 294.3224784627.

The spelling of 25495897 in words is "twenty-five million, four hundred ninety-five thousand, eight hundred ninety-seven".