18252373 has 12 divisors (see below), whose sum is σ = 19573092. Its totient is φ = 17016320.

The previous prime is 18252347. The next prime is 18252379. The reversal of 18252373 is 37325281.

It can be written as a sum of positive squares in 6 ways, for example, as 1096209 + 17156164 = 1047^2 + 4142^2 .

It is not a de Polignac number, because 18252373 - 2⁹ = 18251861 is a prime.

It is a super-2 number, since 2×18252373² = 666298240262258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18252379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39363 + ... + 39823.

It is an arithmetic number, because the mean of its divisors is an integer number (1631091).

Almost surely, 2^18252373 is an apocalyptic number.

It is an amenable number.

18252373 is a deficient number, since it is larger than the sum of its proper divisors (1320719).

18252373 is a wasteful number, since it uses less digits than its factorization.

18252373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 615 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 18252373 is about 4272.2796022732. The cubic root of 18252373 is about 263.2932821995.

The spelling of 18252373 in words is "eighteen million, two hundred fifty-two thousand, three hundred seventy-three".