2257152187 has 2 divisors, whose sum is σ = 2257152188. Its totient is φ = 2257152186.

The previous prime is 2257152179. The next prime is 2257152193. The reversal of 2257152187 is 7812517522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2257152187 - 2³ = 2257152179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2257252187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128576093 + 1128576094.

It is an arithmetic number, because the mean of its divisors is an integer number (1128576094).

Almost surely, 2^2257152187 is an apocalyptic number.

2257152187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257152187 is an equidigital number, since it uses as much as digits as its factorization.

2257152187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78400, while the sum is 40.

The square root of 2257152187 is about 47509.4957561117. The cubic root of 2257152187 is about 1311.7576753760.

The spelling of 2257152187 in words is "two billion, two hundred fifty-seven million, one hundred fifty-two thousand, one hundred eighty-seven".