18250465 has 16 divisors (see below), whose sum is σ = 22433472. Its totient is φ = 14249664.

The previous prime is 18250459. The next prime is 18250471. The reversal of 18250465 is 56405281.

It is an interprime number because it is at equal distance from previous prime (18250459) and next prime (18250471).

It is a cyclic number.

It is not a de Polignac number, because 18250465 - 2³ = 18250457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52422 + ... + 52768.

It is an arithmetic number, because the mean of its divisors is an integer number (1402092).

Almost surely, 2^18250465 is an apocalyptic number.

It is an amenable number.

18250465 is a deficient number, since it is larger than the sum of its proper divisors (4183007).

18250465 is a wasteful number, since it uses less digits than its factorization.

18250465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 18250465 is about 4272.0562964455. The cubic root of 18250465 is about 263.2841074822.

The spelling of 18250465 in words is "eighteen million, two hundred fifty thousand, four hundred sixty-five".