25027990 has 32 divisors (see below), whose sum is σ = 49150080. Its totient is φ = 9120384.

The previous prime is 25027949. The next prime is 25027991. The reversal of 25027990 is 9972052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25027991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9052 + ... + 11488.

It is an arithmetic number, because the mean of its divisors is an integer number (1535940).

Almost surely, 2^25027990 is an apocalyptic number.

25027990 is a deficient number, since it is larger than the sum of its proper divisors (24122090).

25027990 is a wasteful number, since it uses less digits than its factorization.

25027990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 25027990 is about 5002.7982169982. The cubic root of 25027990 is about 292.5108574634.

The spelling of 25027990 in words is "twenty-five million, twenty-seven thousand, nine hundred ninety".