609560557 has 4 divisors (see below), whose sum is σ = 609663456. Its totient is φ = 609457660.

The previous prime is 609560543. The next prime is 609560569. The reversal of 609560557 is 755065906.

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 609560557 - 2⁷ = 609560429 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 (609560057) 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, 41983 + ... + 54604.

It is an arithmetic number, because the mean of its divisors is an integer number (152415864).

Almost surely, 2^609560557 is an apocalyptic number.

It is an amenable number.

609560557 is a deficient number, since it is larger than the sum of its proper divisors (102899).

609560557 is an equidigital number, since it uses as much as digits as its factorization.

609560557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102898.

The product of its (nonzero) digits is 283500, while the sum is 43.

The square root of 609560557 is about 24689.2802041696. The cubic root of 609560557 is about 847.8889050833. Note that the first 3 decimals are identical.

The spelling of 609560557 in words is "six hundred nine million, five hundred sixty thousand, five hundred fifty-seven".