612580513 has 2 divisors, whose sum is σ = 612580514. Its totient is φ = 612580512.

The previous prime is 612580489. The next prime is 612580583. The reversal of 612580513 is 315085216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426339904 + 186240609 = 20648^2 + 13647^2 .

It is a cyclic number.

It is not a de Polignac number, because 612580513 - 2⁵ = 612580481 is a prime.

It is not a weakly prime, because it can be changed into another prime (612580583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306290256 + 306290257.

It is an arithmetic number, because the mean of its divisors is an integer number (306290257).

Almost surely, 2^612580513 is an apocalyptic number.

It is an amenable number.

612580513 is a deficient number, since it is larger than the sum of its proper divisors (1).

612580513 is an equidigital number, since it uses as much as digits as its factorization.

612580513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 612580513 is about 24750.3638963147. The cubic root of 612580513 is about 849.2868357206.

The spelling of 612580513 in words is "six hundred twelve million, five hundred eighty thousand, five hundred thirteen".