25897495 has 8 divisors (see below), whose sum is σ = 33467616. Its totient is φ = 19124256.

The previous prime is 25897483. The next prime is 25897523. The reversal of 25897495 is 59479852.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25897495 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199147 + ... + 199276.

It is an arithmetic number, because the mean of its divisors is an integer number (4183452).

Almost surely, 2^25897495 is an apocalyptic number.

25897495 is a deficient number, since it is larger than the sum of its proper divisors (7570121).

25897495 is a wasteful number, since it uses less digits than its factorization.

25897495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398441.

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

The square root of 25897495 is about 5088.9581448465. The cubic root of 25897495 is about 295.8597727257.

The spelling of 25897495 in words is "twenty-five million, eight hundred ninety-seven thousand, four hundred ninety-five".