25082997 has 4 divisors (see below), whose sum is σ = 33444000. Its totient is φ = 16721996.

The previous prime is 25082989. The next prime is 25083001. The reversal of 25082997 is 79928052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25082997 - 2³ = 25082989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25082927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4180497 + ... + 4180502.

It is an arithmetic number, because the mean of its divisors is an integer number (8361000).

Almost surely, 2^25082997 is an apocalyptic number.

It is an amenable number.

25082997 is a deficient number, since it is larger than the sum of its proper divisors (8361003).

25082997 is an equidigital number, since it uses as much as digits as its factorization.

25082997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8361002.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 25082997 is about 5008.2928229088. The cubic root of 25082997 is about 292.7249959987.

The spelling of 25082997 in words is "twenty-five million, eighty-two thousand, nine hundred ninety-seven".