2251500215 has 8 divisors (see below), whose sum is σ = 2705460720. Its totient is φ = 1798759872.

The previous prime is 2251500197. The next prime is 2251500257. The reversal of 2251500215 is 5120051522.

2251500215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2251500215 - 2⁶ = 2251500151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300974 + ... + 308363.

It is an arithmetic number, because the mean of its divisors is an integer number (338182590).

Almost surely, 2^2251500215 is an apocalyptic number.

2251500215 is a deficient number, since it is larger than the sum of its proper divisors (453960505).

2251500215 is an equidigital number, since it uses as much as digits as its factorization.

2251500215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610081.

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

The square root of 2251500215 is about 47449.9759220171. The cubic root of 2251500215 is about 1310.6618676262.

Adding to 2251500215 its reverse (5120051522), we get a palindrome (7371551737).

The spelling of 2251500215 in words is "two billion, two hundred fifty-one million, five hundred thousand, two hundred fifteen".