612764651 has 2 divisors, whose sum is σ = 612764652. Its totient is φ = 612764650.

The previous prime is 612764629. The next prime is 612764657. The reversal of 612764651 is 156467216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612764651 - 2⁶ = 612764587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (612764657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306382325 + 306382326.

It is an arithmetic number, because the mean of its divisors is an integer number (306382326).

Almost surely, 2^612764651 is an apocalyptic number.

612764651 is a deficient number, since it is larger than the sum of its proper divisors (1).

612764651 is an equidigital number, since it uses as much as digits as its factorization.

612764651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 612764651 is about 24754.0835217141. The cubic root of 612764651 is about 849.3719240255.

The spelling of 612764651 in words is "six hundred twelve million, seven hundred sixty-four thousand, six hundred fifty-one".