25958402 has 8 divisors (see below), whose sum is σ = 39176976. Its totient is φ = 12899412.

The previous prime is 25958399. The next prime is 25958411. The reversal of 25958402 is 20485952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39488 + ... + 40139.

It is an arithmetic number, because the mean of its divisors is an integer number (4897122).

Almost surely, 2^25958402 is an apocalyptic number.

25958402 is a deficient number, since it is larger than the sum of its proper divisors (13218574).

25958402 is a wasteful number, since it uses less digits than its factorization.

25958402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79792.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 25958402 is about 5094.9388612622. The cubic root of 25958402 is about 296.0915303131.

The spelling of 25958402 in words is "twenty-five million, nine hundred fifty-eight thousand, four hundred two".