2252257687 has 2 divisors, whose sum is σ = 2252257688. Its totient is φ = 2252257686.

The previous prime is 2252257661. The next prime is 2252257703. The reversal of 2252257687 is 7867522522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2252257687 - 2⁷ = 2252257559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2252257487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126128843 + 1126128844.

It is an arithmetic number, because the mean of its divisors is an integer number (1126128844).

Almost surely, 2^2252257687 is an apocalyptic number.

2252257687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2252257687 is an equidigital number, since it uses as much as digits as its factorization.

2252257687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 46.

The square root of 2252257687 is about 47457.9570462109. The cubic root of 2252257687 is about 1310.8088330948.

The spelling of 2252257687 in words is "two billion, two hundred fifty-two million, two hundred fifty-seven thousand, six hundred eighty-seven".