52401532313 has 4 divisors (see below), whose sum is σ = 56432419428. Its totient is φ = 48370645200.

The previous prime is 52401532301. The next prime is 52401532333. The reversal of 52401532313 is 31323510425.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5248712704 + 47152819609 = 72448^2 + 217147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52401532313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52401532333) 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, 2015443538 + ... + 2015443563.

It is an arithmetic number, because the mean of its divisors is an integer number (14108104857).

Almost surely, 2^52401532313 is an apocalyptic number.

It is an amenable number.

52401532313 is a deficient number, since it is larger than the sum of its proper divisors (4030887115).

52401532313 is a wasteful number, since it uses less digits than its factorization.

52401532313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030887114.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 52401532313 in words is "fifty-two billion, four hundred one million, five hundred thirty-two thousand, three hundred thirteen".