613230557 has 4 divisors (see below), whose sum is σ = 613445856. Its totient is φ = 613015260.

The previous prime is 613230487. The next prime is 613230571. The reversal of 613230557 is 755032316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 613230557 - 2¹² = 613226461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613230857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103319 + ... + 109092.

It is an arithmetic number, because the mean of its divisors is an integer number (153361464).

Almost surely, 2^613230557 is an apocalyptic number.

It is an amenable number.

613230557 is a deficient number, since it is larger than the sum of its proper divisors (215299).

613230557 is a wasteful number, since it uses less digits than its factorization.

613230557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215298.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 613230557 is about 24763.4924233235. The cubic root of 613230557 is about 849.5871383672.

The spelling of 613230557 in words is "six hundred thirteen million, two hundred thirty thousand, five hundred fifty-seven".