18250485 has 16 divisors (see below), whose sum is σ = 31855680. Its totient is φ = 8848640.

The previous prime is 18250481. The next prime is 18250493. The reversal of 18250485 is 58405281.

It is not a de Polignac number, because 18250485 - 2² = 18250481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18250481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55140 + ... + 55469.

It is an arithmetic number, because the mean of its divisors is an integer number (1990980).

Almost surely, 2^18250485 is an apocalyptic number.

18250485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18250485 is a deficient number, since it is larger than the sum of its proper divisors (13605195).

18250485 is a wasteful number, since it uses less digits than its factorization.

18250485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110628.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 18250485 is about 4272.0586372380. The cubic root of 18250485 is about 263.2842036565.

The spelling of 18250485 in words is "eighteen million, two hundred fifty thousand, four hundred eighty-five".