25492951 has 4 divisors (see below), whose sum is σ = 27810504. Its totient is φ = 23175400.

The previous prime is 25492933. The next prime is 25492969. The reversal of 25492951 is 15929452.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25492933) and next prime (25492969).

It is a cyclic number.

It is not a de Polignac number, because 25492951 - 2⁵ = 25492919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25492951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25492931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158760 + ... + 1158781.

It is an arithmetic number, because the mean of its divisors is an integer number (6952626).

Almost surely, 2^25492951 is an apocalyptic number.

25492951 is a deficient number, since it is larger than the sum of its proper divisors (2317553).

25492951 is a wasteful number, since it uses less digits than its factorization.

25492951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317552.

The product of its digits is 32400, while the sum is 37.

The square root of 25492951 is about 5049.0544659372. The cubic root of 25492951 is about 294.3111419011.

The spelling of 25492951 in words is "twenty-five million, four hundred ninety-two thousand, nine hundred fifty-one".