255074657 has 4 divisors (see below), whose sum is σ = 255173316. Its totient is φ = 254976000.

The previous prime is 255074621. The next prime is 255074663. The reversal of 255074657 is 756470552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93683041 + 161391616 = 9679^2 + 12704^2 .

It is a cyclic number.

It is not a de Polignac number, because 255074657 - 2¹⁰ = 255073633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255074257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45344 + ... + 50657.

It is an arithmetic number, because the mean of its divisors is an integer number (63793329).

Almost surely, 2^255074657 is an apocalyptic number.

It is an amenable number.

255074657 is a deficient number, since it is larger than the sum of its proper divisors (98659).

255074657 is an equidigital number, since it uses as much as digits as its factorization.

255074657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98658.

The product of its (nonzero) digits is 294000, while the sum is 41.

The square root of 255074657 is about 15971.0568529450. The cubic root of 255074657 is about 634.1944500364.

The spelling of 255074657 in words is "two hundred fifty-five million, seventy-four thousand, six hundred fifty-seven".