612794531 has 2 divisors, whose sum is σ = 612794532. Its totient is φ = 612794530.

The previous prime is 612794521. The next prime is 612794537. The reversal of 612794531 is 135497216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612794531 - 2¹⁸ = 612532387 is a prime.

It is a super-2 number, since 2×612794531² = 751034274447019922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (612794537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306397265 + 306397266.

It is an arithmetic number, because the mean of its divisors is an integer number (306397266).

Almost surely, 2^612794531 is an apocalyptic number.

612794531 is a deficient number, since it is larger than the sum of its proper divisors (1).

612794531 is an equidigital number, since it uses as much as digits as its factorization.

612794531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 612794531 is about 24754.6870511425. The cubic root of 612794531 is about 849.3857296633.

The spelling of 612794531 in words is "six hundred twelve million, seven hundred ninety-four thousand, five hundred thirty-one".