612241517 has 2 divisors, whose sum is σ = 612241518. Its totient is φ = 612241516.

The previous prime is 612241499. The next prime is 612241559. The reversal of 612241517 is 715142216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478121956 + 134119561 = 21866^2 + 11581^2 .

It is a cyclic number.

It is not a de Polignac number, because 612241517 - 2⁶ = 612241453 is a prime.

It is a super-2 number, since 2×612241517² = 749679350276922578, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612241517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612244517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306120758 + 306120759.

It is an arithmetic number, because the mean of its divisors is an integer number (306120759).

Almost surely, 2^612241517 is an apocalyptic number.

It is an amenable number.

612241517 is a deficient number, since it is larger than the sum of its proper divisors (1).

612241517 is an equidigital number, since it uses as much as digits as its factorization.

612241517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 612241517 is about 24743.5146452560. The cubic root of 612241517 is about 849.1301445002.

The spelling of 612241517 in words is "six hundred twelve million, two hundred forty-one thousand, five hundred seventeen".