2251695375 has 64 divisors (see below), whose sum is σ = 4173436800. Its totient is φ = 1197936000.

The previous prime is 2251695361. The next prime is 2251695389. The reversal of 2251695375 is 5735961522.

2251695375 is a `hidden beast` number, since 2 + 2 + 51 + 69 + 537 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2251695361) and next prime (2251695389).

It is not a de Polignac number, because 2251695375 - 2⁷ = 2251695247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2251695375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2392405 + ... + 2393345.

It is an arithmetic number, because the mean of its divisors is an integer number (65209950).

Almost surely, 2^2251695375 is an apocalyptic number.

2251695375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2251695375 is a deficient number, since it is larger than the sum of its proper divisors (1921741425).

2251695375 is an equidigital number, since it uses as much as digits as its factorization.

2251695375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 1658 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 2251695375 is about 47452.0323590044. The cubic root of 2251695375 is about 1310.6997359148.

The spelling of 2251695375 in words is "two billion, two hundred fifty-one million, six hundred ninety-five thousand, three hundred seventy-five".