18254313 has 72 divisors (see below), whose sum is σ = 34572096. Its totient is φ = 9172800.

The previous prime is 18254303. The next prime is 18254323. The reversal of 18254313 is 31345281.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18254303) and next prime (18254323).

It is not a de Polignac number, because 18254313 - 2⁴ = 18254297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18254303) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 257068 + ... + 257138.

It is an arithmetic number, because the mean of its divisors is an integer number (480168).

Almost surely, 2^18254313 is an apocalyptic number.

It is an amenable number.

18254313 is a deficient number, since it is larger than the sum of its proper divisors (16317783).

18254313 is a wasteful number, since it uses less digits than its factorization.

18254313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 145 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 18254313 is about 4272.5066413055. The cubic root of 18254313 is about 263.3026101350.

Adding to 18254313 its reverse (31345281), we get a palindrome (49599594).

The spelling of 18254313 in words is "eighteen million, two hundred fifty-four thousand, three hundred thirteen".