18625379 has 4 divisors (see below), whose sum is σ = 18656184. Its totient is φ = 18594576.

The previous prime is 18625367. The next prime is 18625403. The reversal of 18625379 is 97352681.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18625379 - 2⁴ = 18625363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18625349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14477 + ... + 15710.

It is an arithmetic number, because the mean of its divisors is an integer number (4664046).

Almost surely, 2^18625379 is an apocalyptic number.

18625379 is a deficient number, since it is larger than the sum of its proper divisors (30805).

18625379 is an equidigital number, since it uses as much as digits as its factorization.

18625379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30804.

The product of its digits is 90720, while the sum is 41.

The square root of 18625379 is about 4315.7130349457. The cubic root of 18625379 is about 265.0747575961.

The spelling of 18625379 in words is "eighteen million, six hundred twenty-five thousand, three hundred seventy-nine".