2251500356 has 24 divisors (see below), whose sum is σ = 4511640000. Its totient is φ = 963077472.

The previous prime is 2251500343. The next prime is 2251500359. The reversal of 2251500356 is 6530051522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2251500359) 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, 62231 + ... + 91518.

It is an arithmetic number, because the mean of its divisors is an integer number (187985000).

Almost surely, 2^2251500356 is an apocalyptic number.

It is an amenable number.

2251500356 is an abundant number, since it is smaller than the sum of its proper divisors (2260139644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251500356 is a wasteful number, since it uses less digits than its factorization.

2251500356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154283 (or 154281 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 2251500356 is about 47449.9774077923. The cubic root of 2251500356 is about 1310.6618949862.

Adding to 2251500356 its reverse (6530051522), we get a palindrome (8781551878).

The spelling of 2251500356 in words is "two billion, two hundred fifty-one million, five hundred thousand, three hundred fifty-six".