255701091 has 16 divisors (see below), whose sum is σ = 360898560. Its totient is φ = 160759200.

The previous prime is 255701077. The next prime is 255701099. The reversal of 255701091 is 190107552.

It is not a de Polignac number, because 255701091 - 2⁶ = 255701027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255701099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30435 + ... + 37916.

It is an arithmetic number, because the mean of its divisors is an integer number (22556160).

Almost surely, 2^255701091 is an apocalyptic number.

255701091 is a deficient number, since it is larger than the sum of its proper divisors (105197469).

255701091 is a wasteful number, since it uses less digits than its factorization.

255701091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68426.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 255701091 is about 15990.6563655155. The cubic root of 255701091 is about 634.7131951342.

The spelling of 255701091 in words is "two hundred fifty-five million, seven hundred one thousand, ninety-one".