18252365 has 8 divisors (see below), whose sum is σ = 22030488. Its totient is φ = 14516800.

The previous prime is 18252347. The next prime is 18252379. The reversal of 18252365 is 56325281.

It can be written as a sum of positive squares in 4 ways, for example, as 3034564 + 15217801 = 1742^2 + 3901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18252365 - 2⁶ = 18252301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9686 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (2753811).

Almost surely, 2^18252365 is an apocalyptic number.

It is an amenable number.

18252365 is a deficient number, since it is larger than the sum of its proper divisors (3778123).

18252365 is a wasteful number, since it uses less digits than its factorization.

18252365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21279.

The product of its digits is 14400, while the sum is 32.

The square root of 18252365 is about 4272.2786660048. The cubic root of 18252365 is about 263.2932437324.

The spelling of 18252365 in words is "eighteen million, two hundred fifty-two thousand, three hundred sixty-five".