255229797 has 16 divisors (see below), whose sum is σ = 349715520. Its totient is φ = 165475200.

The previous prime is 255229769. The next prime is 255229813. The reversal of 255229797 is 797922552.

It is a de Polignac number, because none of the positive numbers 2^k-255229797 is a prime.

It is a super-2 number, since 2×255229797² = 130284498553322418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255229747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37579 + ... + 43847.

It is an arithmetic number, because the mean of its divisors is an integer number (21857220).

Almost surely, 2^255229797 is an apocalyptic number.

It is an amenable number.

255229797 is a deficient number, since it is larger than the sum of its proper divisors (94485723).

255229797 is a wasteful number, since it uses less digits than its factorization.

255229797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644.

The product of its digits is 793800, while the sum is 48.

The square root of 255229797 is about 15975.9130255519. The cubic root of 255229797 is about 634.3229993112.

The spelling of 255229797 in words is "two hundred fifty-five million, two hundred twenty-nine thousand, seven hundred ninety-seven".