2251500051 has 8 divisors (see below), whose sum is σ = 3002328000. Its totient is φ = 1500836072.

The previous prime is 2251500047. The next prime is 2251500071. The reversal of 2251500051 is 1500051522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251500051 - 2² = 2251500047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251500071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4245 + ... + 67238.

It is an arithmetic number, because the mean of its divisors is an integer number (375291000).

Almost surely, 2^2251500051 is an apocalyptic number.

2251500051 is a deficient number, since it is larger than the sum of its proper divisors (750827949).

2251500051 is a wasteful number, since it uses less digits than its factorization.

2251500051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81985.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2251500051 is about 47449.9741938813. The cubic root of 2251500051 is about 1310.6618358032.

Adding to 2251500051 its reverse (1500051522), we get a palindrome (3751551573).

The spelling of 2251500051 in words is "two billion, two hundred fifty-one million, five hundred thousand, fifty-one".