255546131 has 2 divisors, whose sum is σ = 255546132. Its totient is φ = 255546130.

The previous prime is 255546061. The next prime is 255546133. The reversal of 255546131 is 131645552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255546131 is a prime.

It is a super-2 number, since 2×255546131² = 130607650138138322, which contains 22 as substring.

Together with 255546133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255546133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127773065 + 127773066.

It is an arithmetic number, because the mean of its divisors is an integer number (127773066).

Almost surely, 2^255546131 is an apocalyptic number.

255546131 is a deficient number, since it is larger than the sum of its proper divisors (1).

255546131 is an equidigital number, since it uses as much as digits as its factorization.

255546131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 32.

The square root of 255546131 is about 15985.8103016394. The cubic root of 255546131 is about 634.5849529075.

The spelling of 255546131 in words is "two hundred fifty-five million, five hundred forty-six thousand, one hundred thirty-one".