25070490 has 24 divisors (see below), whose sum is σ = 65183508. Its totient is φ = 6685440.

The previous prime is 25070489. The next prime is 25070501. The reversal of 25070490 is 9407052.

It can be written as a sum of positive squares in 2 ways, for example, as 25070049 + 441 = 5007^2 + 21^2 .

It is a congruent number.

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, 139191 + ... + 139370.

Almost surely, 2^25070490 is an apocalyptic number.

25070490 is an abundant number, since it is smaller than the sum of its proper divisors (40113018).

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

25070490 is a wasteful number, since it uses less digits than its factorization.

25070490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278574 (or 278571 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 25070490 is about 5007.0440381527. The cubic root of 25070490 is about 292.6763346127.

The spelling of 25070490 in words is "twenty-five million, seventy thousand, four hundred ninety".