255131153 has 4 divisors (see below), whose sum is σ = 255163428. Its totient is φ = 255098880.

The previous prime is 255131137. The next prime is 255131161. The reversal of 255131153 is 351131552.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 111682624 + 143448529 = 10568^2 + 11977^2 .

It is a cyclic number.

It is not a de Polignac number, because 255131153 - 2⁴ = 255131137 is a prime.

It is a super-2 number, since 2×255131153² = 130183810462218818, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255131113) 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, 4625 + ... + 23057.

It is an arithmetic number, because the mean of its divisors is an integer number (63790857).

Almost surely, 2^255131153 is an apocalyptic number.

It is an amenable number.

255131153 is a deficient number, since it is larger than the sum of its proper divisors (32275).

255131153 is a wasteful number, since it uses less digits than its factorization.

255131153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32274.

The product of its digits is 2250, while the sum is 26.

The square root of 255131153 is about 15972.8254545024. The cubic root of 255131153 is about 634.2412687536.

The spelling of 255131153 in words is "two hundred fifty-five million, one hundred thirty-one thousand, one hundred fifty-three".