613103057 has 4 divisors (see below), whose sum is σ = 700689216. Its totient is φ = 525516900.

The previous prime is 613103047. The next prime is 613103063. The reversal of 613103057 is 750301316.

It is a happy number.

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 613103057 - 2¹⁶ = 613037521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613103047) 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, 43793069 + ... + 43793082.

It is an arithmetic number, because the mean of its divisors is an integer number (175172304).

Almost surely, 2^613103057 is an apocalyptic number.

It is an amenable number.

613103057 is a deficient number, since it is larger than the sum of its proper divisors (87586159).

613103057 is an equidigital number, since it uses as much as digits as its factorization.

613103057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87586158.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 613103057 is about 24760.9179353270. The cubic root of 613103057 is about 849.5282535714.

The spelling of 613103057 in words is "six hundred thirteen million, one hundred three thousand, fifty-seven".