256052601 has 12 divisors (see below), whose sum is σ = 422690112. Its totient is φ = 146315736.

The previous prime is 256052581. The next prime is 256052603. The reversal of 256052601 is 106250652.

256052601 is a `hidden beast` number, since 2 + 5 + 6 + 0 + 52 + 601 = 666.

It is not a de Polignac number, because 256052601 - 2⁹ = 256052089 is a prime.

It is a super-3 number, since 3×256052601³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (256052603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2032101 + ... + 2032226.

It is an arithmetic number, because the mean of its divisors is an integer number (35224176).

Almost surely, 2^256052601 is an apocalyptic number.

256052601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

256052601 is a deficient number, since it is larger than the sum of its proper divisors (166637511).

256052601 is a wasteful number, since it uses less digits than its factorization.

256052601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064340 (or 4064337 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 256052601 is about 16001.6436968206. The cubic root of 256052601 is about 635.0039068104.

The spelling of 256052601 in words is "two hundred fifty-six million, fifty-two thousand, six hundred one".