5040020251 has 16 divisors (see below), whose sum is σ = 5818521600. Its totient is φ = 4276209600.

The previous prime is 5040020233. The next prime is 5040020267. The reversal of 5040020251 is 1520200405.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5040020251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5040020201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1459575 + ... + 1463023.

It is an arithmetic number, because the mean of its divisors is an integer number (363657600).

Almost surely, 2^5040020251 is an apocalyptic number.

5040020251 is a deficient number, since it is larger than the sum of its proper divisors (778501349).

5040020251 is a wasteful number, since it uses less digits than its factorization.

5040020251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5040020251 is about 70993.1000238756. The cubic root of 5040020251 is about 1714.5260728102.

Adding to 5040020251 its reverse (1520200405), we get a palindrome (6560220656).

The spelling of 5040020251 in words is "five billion, forty million, twenty thousand, two hundred fifty-one".