255461567 has 8 divisors (see below), whose sum is σ = 272437200. Its totient is φ = 238702464.

The previous prime is 255461561. The next prime is 255461573. The reversal of 255461567 is 765164552.

It is an interprime number because it is at equal distance from previous prime (255461561) and next prime (255461573).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255461567 is a prime.

It is a super-2 number, since 2×255461567² = 130521224428190978, 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 (255461561) 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, 51692 + ... + 56417.

It is an arithmetic number, because the mean of its divisors is an integer number (34054650).

Almost surely, 2^255461567 is an apocalyptic number.

255461567 is a deficient number, since it is larger than the sum of its proper divisors (16975633).

255461567 is a wasteful number, since it uses less digits than its factorization.

255461567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108265.

The product of its digits is 252000, while the sum is 41.

The square root of 255461567 is about 15983.1651120796. The cubic root of 255461567 is about 634.5149473314.

The spelling of 255461567 in words is "two hundred fifty-five million, four hundred sixty-one thousand, five hundred sixty-seven".