25797402 has 24 divisors (see below), whose sum is σ = 58836960. Its totient is φ = 8146440.

The previous prime is 25797389. The next prime is 25797433. The reversal of 25797402 is 20479752.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 37374 + ... + 38057.

It is an arithmetic number, because the mean of its divisors is an integer number (2451540).

Almost surely, 2^25797402 is an apocalyptic number.

25797402 is an abundant number, since it is smaller than the sum of its proper divisors (33039558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25797402 is a wasteful number, since it uses less digits than its factorization.

25797402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75458 (or 75455 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 25797402 is about 5079.1142928664. The cubic root of 25797402 is about 295.4781177162.

The spelling of 25797402 in words is "twenty-five million, seven hundred ninety-seven thousand, four hundred two".