368531 has 2 divisors, whose sum is σ = 368532. Its totient is φ = 368530.

The previous prime is 368521. The next prime is 368539. The reversal of 368531 is 135863.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-368531 is a prime.

It is a super-2 number, since 2×368531² = 271630195922, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 368531.

It is not a weakly prime, because it can be changed into another prime (368539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184265 + 184266.

It is an arithmetic number, because the mean of its divisors is an integer number (184266).

2³⁶⁸⁵³¹ is an apocalyptic number.

368531 is a deficient number, since it is larger than the sum of its proper divisors (1).

368531 is an equidigital number, since it uses as much as digits as its factorization.

368531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 368531 is about 607.0675415471. The cubic root of 368531 is about 71.6954082182.

The spelling of 368531 in words is "three hundred sixty-eight thousand, five hundred thirty-one".