52502313451 has 4 divisors (see below), whose sum is σ = 60002643952. Its totient is φ = 45001982952.

The previous prime is 52502313401. The next prime is 52502313469. The reversal of 52502313451 is 15431320525.

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

It is a cyclic number.

It is not a de Polignac number, because 52502313451 - 2²¹ = 52500216299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52502313401) 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, 3750165240 + ... + 3750165253.

It is an arithmetic number, because the mean of its divisors is an integer number (15000660988).

Almost surely, 2^52502313451 is an apocalyptic number.

52502313451 is a deficient number, since it is larger than the sum of its proper divisors (7500330501).

52502313451 is an equidigital number, since it uses as much as digits as its factorization.

52502313451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500330500.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 52502313451 its reverse (15431320525), we get a palindrome (67933633976).

The spelling of 52502313451 in words is "fifty-two billion, five hundred two million, three hundred thirteen thousand, four hundred fifty-one".