612032081 has 2 divisors, whose sum is σ = 612032082. Its totient is φ = 612032080.

The previous prime is 612032063. The next prime is 612032087. The reversal of 612032081 is 180230216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404211025 + 207821056 = 20105^2 + 14416^2 .

It is a cyclic number.

It is not a de Polignac number, because 612032081 - 2⁶ = 612032017 is a prime.

It is a super-2 number, since 2×612032081² = 749166536346381122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (612032087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306016040 + 306016041.

It is an arithmetic number, because the mean of its divisors is an integer number (306016041).

Almost surely, 2^612032081 is an apocalyptic number.

It is an amenable number.

612032081 is a deficient number, since it is larger than the sum of its proper divisors (1).

612032081 is an equidigital number, since it uses as much as digits as its factorization.

612032081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 612032081 is about 24739.2821439912. The cubic root of 612032081 is about 849.0333097827.

Adding to 612032081 its reverse (180230216), we get a palindrome (792262297).

The spelling of 612032081 in words is "six hundred twelve million, thirty-two thousand, eighty-one".