25974051 has 4 divisors (see below), whose sum is σ = 34632072. Its totient is φ = 17316032.

The previous prime is 25974049. The next prime is 25974059. The reversal of 25974051 is 15047952.

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

It is a cyclic number.

It is not a de Polignac number, because 25974051 - 2¹ = 25974049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25974059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4329006 + ... + 4329011.

It is an arithmetic number, because the mean of its divisors is an integer number (8658018).

Almost surely, 2^25974051 is an apocalyptic number.

25974051 is a deficient number, since it is larger than the sum of its proper divisors (8658021).

25974051 is an equidigital number, since it uses as much as digits as its factorization.

25974051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8658020.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 25974051 is about 5096.4743696010. The cubic root of 25974051 is about 296.1510178676.

The spelling of 25974051 in words is "twenty-five million, nine hundred seventy-four thousand, fifty-one".