612410023531 has 2 divisors, whose sum is σ = 612410023532. Its totient is φ = 612410023530.

The previous prime is 612410023471. The next prime is 612410023573. The reversal of 612410023531 is 135320014216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612410023531 - 2⁹ = 612410023019 is a prime.

It is a super-2 number, since 2×612410023531² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612410023531.

It is not a weakly prime, because it can be changed into another prime (612410023031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306205011765 + 306205011766.

It is an arithmetic number, because the mean of its divisors is an integer number (306205011766).

Almost surely, 2^612410023531 is an apocalyptic number.

612410023531 is a deficient number, since it is larger than the sum of its proper divisors (1).

612410023531 is an equidigital number, since it uses as much as digits as its factorization.

612410023531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 612410023531 its reverse (135320014216), we get a palindrome (747730037747).

The spelling of 612410023531 in words is "six hundred twelve billion, four hundred ten million, twenty-three thousand, five hundred thirty-one".