520070057 has 8 divisors (see below), whose sum is σ = 562732800. Its totient is φ = 477786960.

The previous prime is 520070053. The next prime is 520070077. The reversal of 520070057 is 750070025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520070057 - 2² = 520070053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520070051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92057 + ... + 97542.

It is an arithmetic number, because the mean of its divisors is an integer number (70341600).

Almost surely, 2^520070057 is an apocalyptic number.

It is an amenable number.

520070057 is a deficient number, since it is larger than the sum of its proper divisors (42662743).

520070057 is a wasteful number, since it uses less digits than its factorization.

520070057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189823.

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 520070057 is about 22805.0445515899. The cubic root of 520070057 is about 804.1812629147.

It can be divided in two parts, 5200 and 70057, that added together give a palindrome (75257).

The spelling of 520070057 in words is "five hundred twenty million, seventy thousand, fifty-seven".