615030232513 has 2 divisors, whose sum is σ = 615030232514. Its totient is φ = 615030232512.

The previous prime is 615030232471. The next prime is 615030232547. The reversal of 615030232513 is 315232030516.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430115612224 + 184914620289 = 655832^2 + 430017^2 .

It is a cyclic number.

It is not a de Polignac number, because 615030232513 - 2⁹ = 615030232001 is a prime.

It is not a weakly prime, because it can be changed into another prime (615030232013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307515116256 + 307515116257.

It is an arithmetic number, because the mean of its divisors is an integer number (307515116257).

Almost surely, 2^615030232513 is an apocalyptic number.

It is an amenable number.

615030232513 is a deficient number, since it is larger than the sum of its proper divisors (1).

615030232513 is an equidigital number, since it uses as much as digits as its factorization.

615030232513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 615030232513 in words is "six hundred fifteen billion, thirty million, two hundred thirty-two thousand, five hundred thirteen".