94531 has 2 divisors, whose sum is σ = 94532. Its totient is φ = 94530.

The previous prime is 94529. The next prime is 94541. The reversal of 94531 is 13549.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 94531 - 2¹ = 94529 is a prime.

It is a super-2 number, since 2×94531² = 17872219922, which contains 22 as substring.

Together with 94529, it forms a pair of twin primes.

It is a Chen prime.

94531 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (94541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47265 + 47266.

It is an arithmetic number, because the mean of its divisors is an integer number (47266).

2⁹⁴⁵³¹ is an apocalyptic number.

94531 is the 138-th centered decagonal number.

94531 is a deficient number, since it is larger than the sum of its proper divisors (1).

94531 is an equidigital number, since it uses as much as digits as its factorization.

94531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 22.

The square root of 94531 is about 307.4589403481. The cubic root of 94531 is about 45.5538146822.

It can be divided in two parts, 94 and 531, that added together give a 4-th power (625 = 5⁴).

The spelling of 94531 in words is "ninety-four thousand, five hundred thirty-one".