2566257675 has 12 divisors (see below), whose sum is σ = 4242879480. Its totient is φ = 1368670720.

The previous prime is 2566257671. The next prime is 2566257677. The reversal of 2566257675 is 5767526652.

It is not a de Polignac number, because 2566257675 - 2² = 2566257671 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2566257671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17108310 + ... + 17108459.

It is an arithmetic number, because the mean of its divisors is an integer number (353573290).

Almost surely, 2^2566257675 is an apocalyptic number.

2566257675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2566257675 is a deficient number, since it is larger than the sum of its proper divisors (1676621805).

2566257675 is a wasteful number, since it uses less digits than its factorization.

2566257675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34216782 (or 34216777 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 51.

The square root of 2566257675 is about 50658.2438996853. The cubic root of 2566257675 is about 1369.0944830488.

The spelling of 2566257675 in words is "two billion, five hundred sixty-six million, two hundred fifty-seven thousand, six hundred seventy-five".