255553031 has 2 divisors, whose sum is σ = 255553032. Its totient is φ = 255553030.

The previous prime is 255553009. The next prime is 255553033. The reversal of 255553031 is 130355552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255553031 is a prime.

It is a super-2 number, since 2×255553031² = 130614703306573922, which contains 22 as substring.

Together with 255553033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 255552985 and 255553003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255553033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127776515 + 127776516.

It is an arithmetic number, because the mean of its divisors is an integer number (127776516).

Almost surely, 2^255553031 is an apocalyptic number.

255553031 is a deficient number, since it is larger than the sum of its proper divisors (1).

255553031 is an equidigital number, since it uses as much as digits as its factorization.

255553031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 255553031 is about 15986.0261165807. The cubic root of 255553031 is about 634.5906643313.

The spelling of 255553031 in words is "two hundred fifty-five million, five hundred fifty-three thousand, thirty-one".