613057 has 4 divisors (see below), whose sum is σ = 616896. Its totient is φ = 609220.

The previous prime is 613049. The next prime is 613061. The reversal of 613057 is 750316.

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 613057 - 2³ = 613049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613007) 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, 1669 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (154224).

2⁶¹³⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

613057 is a deficient number, since it is larger than the sum of its proper divisors (3839).

613057 is a wasteful number, since it uses less digits than its factorization.

613057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 613057 is about 782.9795655060. The cubic root of 613057 is about 84.9506980529.

The spelling of 613057 in words is "six hundred thirteen thousand, fifty-seven".