255471001 has 4 divisors (see below), whose sum is σ = 255680100. Its totient is φ = 255261904.

The previous prime is 255470981. The next prime is 255471023. The reversal of 255471001 is 100174552.

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 226051225 + 29419776 = 15035^2 + 5424^2 .

It is a cyclic number.

It is not a de Polignac number, because 255471001 - 2⁹ = 255470489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255471101) 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, 102706 + ... + 105163.

It is an arithmetic number, because the mean of its divisors is an integer number (63920025).

Almost surely, 2^255471001 is an apocalyptic number.

It is an amenable number.

255471001 is a deficient number, since it is larger than the sum of its proper divisors (209099).

255471001 is a wasteful number, since it uses less digits than its factorization.

255471001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209098.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 255471001 is about 15983.4602323777. The cubic root of 255471001 is about 634.5227579523.

The spelling of 255471001 in words is "two hundred fifty-five million, four hundred seventy-one thousand, one".