612762401 has 2 divisors, whose sum is σ = 612762402. Its totient is φ = 612762400.

The previous prime is 612762391. The next prime is 612762421. The reversal of 612762401 is 104267216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446223376 + 166539025 = 21124^2 + 12905^2 .

It is a cyclic number.

It is not a de Polignac number, because 612762401 - 2²² = 608568097 is a prime.

It is not a weakly prime, because it can be changed into another prime (612762421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306381200 + 306381201.

It is an arithmetic number, because the mean of its divisors is an integer number (306381201).

Almost surely, 2^612762401 is an apocalyptic number.

It is an amenable number.

612762401 is a deficient number, since it is larger than the sum of its proper divisors (1).

612762401 is an equidigital number, since it uses as much as digits as its factorization.

612762401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 612762401 is about 24754.0380746253. The cubic root of 612762401 is about 849.3708844261.

The spelling of 612762401 in words is "six hundred twelve million, seven hundred sixty-two thousand, four hundred one".