18752425 has 6 divisors (see below), whose sum is σ = 23253038. Its totient is φ = 15001920.

The previous prime is 18752417. The next prime is 18752431. The reversal of 18752425 is 52425781.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2301289 + 16451136 = 1517^2 + 4056^2 .

It is not a de Polignac number, because 18752425 - 2³ = 18752417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 375024 + ... + 375073.

Almost surely, 2^18752425 is an apocalyptic number.

It is an amenable number.

18752425 is a deficient number, since it is larger than the sum of its proper divisors (4500613).

18752425 is an equidigital number, since it uses as much as digits as its factorization.

18752425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750107 (or 750102 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 18752425 is about 4330.4070247495. The cubic root of 18752425 is about 265.6760948998.

The spelling of 18752425 in words is "eighteen million, seven hundred fifty-two thousand, four hundred twenty-five".