3506506057 has 4 divisors (see below), whose sum is σ = 3506633856. Its totient is φ = 3506378260.

The previous prime is 3506506049. The next prime is 3506506141. The reversal of 3506506057 is 7506056053.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3506506057 - 2³ = 3506506049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3506506457) 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, 4069 + ... + 83842.

It is an arithmetic number, because the mean of its divisors is an integer number (876658464).

Almost surely, 2^3506506057 is an apocalyptic number.

It is an amenable number.

3506506057 is a deficient number, since it is larger than the sum of its proper divisors (127799).

3506506057 is an equidigital number, since it uses as much as digits as its factorization.

3506506057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127798.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 3506506057 is about 59215.7585191645. The cubic root of 3506506057 is about 1519.2346760390.

The spelling of 3506506057 in words is "three billion, five hundred six million, five hundred six thousand, fifty-seven".