613090157 has 4 divisors (see below), whose sum is σ = 645358080. Its totient is φ = 580822236.

The previous prime is 613090147. The next prime is 613090171. The reversal of 613090157 is 751090316.

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 613090157 - 2¹⁰ = 613089133 is a prime.

It is a super-2 number, since 2×613090157² = 751759081220569298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613090147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16133933 + ... + 16133970.

It is an arithmetic number, because the mean of its divisors is an integer number (161339520).

Almost surely, 2^613090157 is an apocalyptic number.

It is an amenable number.

613090157 is a deficient number, since it is larger than the sum of its proper divisors (32267923).

613090157 is a wasteful number, since it uses less digits than its factorization.

613090157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32267922.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 613090157 is about 24760.6574428063. The cubic root of 613090157 is about 849.5222953608.

The spelling of 613090157 in words is "six hundred thirteen million, ninety thousand, one hundred fifty-seven".