2257058765 has 16 divisors (see below), whose sum is σ = 2931943728. Its totient is φ = 1658105856.

The previous prime is 2257058761. The next prime is 2257058807. The reversal of 2257058765 is 5678507522.

It can be written as a sum of positive squares in 8 ways, for example, as 61011721 + 2196047044 = 7811^2 + 46862^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257058765 - 2² = 2257058761 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257058761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77414 + ... + 102503.

It is an arithmetic number, because the mean of its divisors is an integer number (183246483).

Almost surely, 2^2257058765 is an apocalyptic number.

It is an amenable number.

2257058765 is a deficient number, since it is larger than the sum of its proper divisors (674884963).

2257058765 is a wasteful number, since it uses less digits than its factorization.

2257058765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180128.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The square root of 2257058765 is about 47508.5125530152. The cubic root of 2257058765 is about 1311.7395775392.

The spelling of 2257058765 in words is "two billion, two hundred fifty-seven million, fifty-eight thousand, seven hundred sixty-five".