255309671 has 8 divisors (see below), whose sum is σ = 257650560. Its totient is φ = 252978552.

The previous prime is 255309667. The next prime is 255309673. The reversal of 255309671 is 176903552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255309671 - 2² = 255309667 is a prime.

It is a super-2 number, since 2×255309671² = 130366056212256482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255309673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56336 + ... + 60698.

It is an arithmetic number, because the mean of its divisors is an integer number (32206320).

Almost surely, 2^255309671 is an apocalyptic number.

255309671 is a deficient number, since it is larger than the sum of its proper divisors (2340889).

255309671 is a wasteful number, since it uses less digits than its factorization.

255309671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 255309671 is about 15978.4126558304. The cubic root of 255309671 is about 634.3891627340.

The spelling of 255309671 in words is "two hundred fifty-five million, three hundred nine thousand, six hundred seventy-one".