25949402 has 24 divisors (see below), whose sum is σ = 41550336. Its totient is φ = 12151944.

The previous prime is 25949389. The next prime is 25949411. The reversal of 25949402 is 20494952.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91553 + ... + 91835.

It is an arithmetic number, because the mean of its divisors is an integer number (1731264).

Almost surely, 2^25949402 is an apocalyptic number.

25949402 is a deficient number, since it is larger than the sum of its proper divisors (15600934).

25949402 is a wasteful number, since it uses less digits than its factorization.

25949402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 25949402 is about 5094.0555552526. The cubic root of 25949402 is about 296.0573072023.

The spelling of 25949402 in words is "twenty-five million, nine hundred forty-nine thousand, four hundred two".