615255313 has 8 divisors (see below), whose sum is σ = 679771008. Its totient is φ = 553886784.

The previous prime is 615255299. The next prime is 615255353. The reversal of 615255313 is 313552516.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 615255313 - 2¹⁷ = 615124241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (615255353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786381 + ... + 787162.

It is an arithmetic number, because the mean of its divisors is an integer number (84971376).

Almost surely, 2^615255313 is an apocalyptic number.

It is an amenable number.

615255313 is a deficient number, since it is larger than the sum of its proper divisors (64515695).

615255313 is a wasteful number, since it uses less digits than its factorization.

615255313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573583.

The product of its digits is 13500, while the sum is 31.

The square root of 615255313 is about 24804.3406080468. The cubic root of 615255313 is about 850.5211627457.

The spelling of 615255313 in words is "six hundred fifteen million, two hundred fifty-five thousand, three hundred thirteen".