612011513 has 2 divisors, whose sum is σ = 612011514. Its totient is φ = 612011512.

The previous prime is 612011507. The next prime is 612011573. The reversal of 612011513 is 315110216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518154169 + 93857344 = 22763^2 + 9688^2 .

It is a cyclic number.

It is not a de Polignac number, because 612011513 - 2¹⁴ = 611995129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (612011573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306005756 + 306005757.

It is an arithmetic number, because the mean of its divisors is an integer number (306005757).

Almost surely, 2^612011513 is an apocalyptic number.

It is an amenable number.

612011513 is a deficient number, since it is larger than the sum of its proper divisors (1).

612011513 is an equidigital number, since it uses as much as digits as its factorization.

612011513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 612011513 is about 24738.8664453325. The cubic root of 612011513 is about 849.0237987819.

Adding to 612011513 its reverse (315110216), we get a palindrome (927121729).

The spelling of 612011513 in words is "six hundred twelve million, eleven thousand, five hundred thirteen".