255100831 has 2 divisors, whose sum is σ = 255100832. Its totient is φ = 255100830.

The previous prime is 255100817. The next prime is 255100847. The reversal of 255100831 is 138001552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255100831 - 2¹³ = 255092639 is a prime.

It is a super-2 number, since 2×255100831² = 130152867953781122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255100796 and 255100805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255100801) 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, 127550415 + 127550416.

It is an arithmetic number, because the mean of its divisors is an integer number (127550416).

Almost surely, 2^255100831 is an apocalyptic number.

255100831 is a deficient number, since it is larger than the sum of its proper divisors (1).

255100831 is an equidigital number, since it uses as much as digits as its factorization.

255100831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 255100831 is about 15971.8762517119. The cubic root of 255100831 is about 634.2161415129.

The spelling of 255100831 in words is "two hundred fifty-five million, one hundred thousand, eight hundred thirty-one".