5001045251 has 4 divisors (see below), whose sum is σ = 5015212872. Its totient is φ = 4986877632.

The previous prime is 5001045239. The next prime is 5001045299. The reversal of 5001045251 is 1525401005.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1525401005 = 5 ⋅305080201.

It is a cyclic number.

It is not a de Polignac number, because 5001045251 - 2¹⁴ = 5001028867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5001045451) 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, 7083281 + ... + 7083986.

It is an arithmetic number, because the mean of its divisors is an integer number (1253803218).

Almost surely, 2^5001045251 is an apocalyptic number.

5001045251 is a deficient number, since it is larger than the sum of its proper divisors (14167621).

5001045251 is a wasteful number, since it uses less digits than its factorization.

5001045251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14167620.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 5001045251 is about 70718.0687731219. The cubic root of 5001045251 is about 1710.0950953123.

Adding to 5001045251 its reverse (1525401005), we get a palindrome (6526446256).

The spelling of 5001045251 in words is "five billion, one million, forty-five thousand, two hundred fifty-one".