5280000251 has 4 divisors (see below), whose sum is σ = 5303260392. Its totient is φ = 5256740112.

The previous prime is 5280000203. The next prime is 5280000289. The reversal of 5280000251 is 1520000825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5280000251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5280000151) 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, 11629730 + ... + 11630183.

It is an arithmetic number, because the mean of its divisors is an integer number (1325815098).

Almost surely, 2^5280000251 is an apocalyptic number.

5280000251 is a deficient number, since it is larger than the sum of its proper divisors (23260141).

5280000251 is a wasteful number, since it uses less digits than its factorization.

5280000251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23260140.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5280000251 is about 72663.6102254767. The cubic root of 5280000251 is about 1741.3175658276.

The spelling of 5280000251 in words is "five billion, two hundred eighty million, two hundred fifty-one", and thus it is an aban number.