25956398 has 16 divisors (see below), whose sum is σ = 42463680. Its totient is φ = 11827296.

The previous prime is 25956353. The next prime is 25956407. The reversal of 25956398 is 89365952.

It is a Curzon number.

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, 4265 + ... + 8372.

It is an arithmetic number, because the mean of its divisors is an integer number (2653980).

Almost surely, 2^25956398 is an apocalyptic number.

25956398 is a deficient number, since it is larger than the sum of its proper divisors (16507282).

25956398 is a wasteful number, since it uses less digits than its factorization.

25956398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12731.

The product of its digits is 583200, while the sum is 47.

The square root of 25956398 is about 5094.7421917110. The cubic root of 25956398 is about 296.0839106518.

The spelling of 25956398 in words is "twenty-five million, nine hundred fifty-six thousand, three hundred ninety-eight".