255400601 has 8 divisors (see below), whose sum is σ = 260092800. Its totient is φ = 250745040.

The previous prime is 255400591. The next prime is 255400631. The reversal of 255400601 is 106004552.

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-255400601 is a prime.

It is a super-2 number, since 2×255400601² = 130458933982322402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255400631) 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, 5111 + ... + 23171.

It is an arithmetic number, because the mean of its divisors is an integer number (32511600).

Almost surely, 2^255400601 is an apocalyptic number.

It is an amenable number.

255400601 is a deficient number, since it is larger than the sum of its proper divisors (4692199).

255400601 is a wasteful number, since it uses less digits than its factorization.

255400601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18319.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 255400601 is about 15981.2578040654. The cubic root of 255400601 is about 634.4644675712.

The spelling of 255400601 in words is "two hundred fifty-five million, four hundred thousand, six hundred one".