5122500251 has 4 divisors (see below), whose sum is σ = 5588182104. Its totient is φ = 4656818400.

The previous prime is 5122500241. The next prime is 5122500283. The reversal of 5122500251 is 1520052215.

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 5122500251 - 2²² = 5118305947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5122500211) 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, 232840910 + ... + 232840931.

It is an arithmetic number, because the mean of its divisors is an integer number (1397045526).

Almost surely, 2^5122500251 is an apocalyptic number.

5122500251 is a deficient number, since it is larger than the sum of its proper divisors (465681853).

5122500251 is a wasteful number, since it uses less digits than its factorization.

5122500251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465681852.

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

The square root of 5122500251 is about 71571.6441825951. The cubic root of 5122500251 is about 1723.8282598853.

Adding to 5122500251 its reverse (1520052215), we get a palindrome (6642552466).

The spelling of 5122500251 in words is "five billion, one hundred twenty-two million, five hundred thousand, two hundred fifty-one".