501025564313 has 8 divisors (see below), whose sum is σ = 518371374600. Its totient is φ = 483684358528.

The previous prime is 501025564309. The next prime is 501025564327. The reversal of 501025564313 is 313465520105.

It can be written as a sum of positive squares in 4 ways, for example, as 2691223129 + 498334341184 = 51877^2 + 705928^2 .

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 501025564313 - 2² = 501025564309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501025564343) 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, 929006 + ... + 1365687.

It is an arithmetic number, because the mean of its divisors is an integer number (64796421825).

Almost surely, 2^501025564313 is an apocalyptic number.

It is an amenable number.

501025564313 is a deficient number, since it is larger than the sum of its proper divisors (17345810287).

501025564313 is a wasteful number, since it uses less digits than its factorization.

501025564313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302251.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 501025564313 in words is "five hundred one billion, twenty-five million, five hundred sixty-four thousand, three hundred thirteen".