5122757251 has 4 divisors (see below), whose sum is σ = 5145127600. Its totient is φ = 5100386904.

The previous prime is 5122757249. The next prime is 5122757279. The reversal of 5122757251 is 1527572215.

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 5122757251 - 2¹ = 5122757249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5122757251.

It is not an unprimeable number, because it can be changed into a prime (5122757201) 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, 11184831 + ... + 11185288.

It is an arithmetic number, because the mean of its divisors is an integer number (1286281900).

Almost surely, 2^5122757251 is an apocalyptic number.

5122757251 is a deficient number, since it is larger than the sum of its proper divisors (22370349).

5122757251 is a wasteful number, since it uses less digits than its factorization.

5122757251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22370348.

The product of its digits is 49000, while the sum is 37.

The square root of 5122757251 is about 71573.4395638494. The cubic root of 5122757251 is about 1723.8570880247.

The spelling of 5122757251 in words is "five billion, one hundred twenty-two million, seven hundred fifty-seven thousand, two hundred fifty-one".