812480531 has 2 divisors, whose sum is σ = 812480532. Its totient is φ = 812480530.

The previous prime is 812480467. The next prime is 812480593. The reversal of 812480531 is 135084218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 812480531 - 2⁶ = 812480467 is a prime.

It is a super-2 number, since 2×812480531² = 1320249226508083922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (812483531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406240265 + 406240266.

It is an arithmetic number, because the mean of its divisors is an integer number (406240266).

Almost surely, 2^812480531 is an apocalyptic number.

812480531 is a deficient number, since it is larger than the sum of its proper divisors (1).

812480531 is an equidigital number, since it uses as much as digits as its factorization.

812480531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 812480531 is about 28504.0441165811. The cubic root of 812480531 is about 933.1203359899.

The spelling of 812480531 in words is "eight hundred twelve million, four hundred eighty thousand, five hundred thirty-one".