255335797 has 2 divisors, whose sum is σ = 255335798. Its totient is φ = 255335796.

The previous prime is 255335791. The next prime is 255335827. The reversal of 255335797 is 797533552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253733041 + 1602756 = 15929^2 + 1266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255335797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255335791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127667898 + 127667899.

It is an arithmetic number, because the mean of its divisors is an integer number (127667899).

Almost surely, 2^255335797 is an apocalyptic number.

It is an amenable number.

255335797 is a deficient number, since it is larger than the sum of its proper divisors (1).

255335797 is an equidigital number, since it uses as much as digits as its factorization.

255335797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 992250, while the sum is 46.

The square root of 255335797 is about 15979.2301754496. The cubic root of 255335797 is about 634.4108011439.

The spelling of 255335797 in words is "two hundred fifty-five million, three hundred thirty-five thousand, seven hundred ninety-seven".