25873490 has 16 divisors (see below), whose sum is σ = 49312152. Its totient is φ = 9740544.

The previous prime is 25873451. The next prime is 25873493. The reversal of 25873490 is 9437852.

It can be written as a sum of positive squares in 4 ways, for example, as 24730729 + 1142761 = 4973^2 + 1069^2 .

It is not an unprimeable number, because it can be changed into a prime (25873493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 75929 + ... + 76268.

Almost surely, 2^25873490 is an apocalyptic number.

25873490 is a deficient number, since it is larger than the sum of its proper divisors (23438662).

25873490 is a wasteful number, since it uses less digits than its factorization.

25873490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152221.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 25873490 is about 5086.5990602759. The cubic root of 25873490 is about 295.7683313289.

The spelling of 25873490 in words is "twenty-five million, eight hundred seventy-three thousand, four hundred ninety".