612713551 has 2 divisors, whose sum is σ = 612713552. Its totient is φ = 612713550.

The previous prime is 612713531. The next prime is 612713567. The reversal of 612713551 is 155317216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 612713551 - 2¹⁷ = 612582479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612713531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306356775 + 306356776.

It is an arithmetic number, because the mean of its divisors is an integer number (306356776).

Almost surely, 2^612713551 is an apocalyptic number.

612713551 is a deficient number, since it is larger than the sum of its proper divisors (1).

612713551 is an equidigital number, since it uses as much as digits as its factorization.

612713551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6300, while the sum is 31.

The square root of 612713551 is about 24753.0513472582. The cubic root of 612713551 is about 849.3483129421.

The spelling of 612713551 in words is "six hundred twelve million, seven hundred thirteen thousand, five hundred fifty-one".