256414901 has 4 divisors (see below), whose sum is σ = 261252972. Its totient is φ = 251576832.

The previous prime is 256414889. The next prime is 256414913. The reversal of 256414901 is 109414652.

256414901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (256414889) and next prime (256414913).

It can be written as a sum of positive squares in 2 ways, for example, as 212868100 + 43546801 = 14590^2 + 6599^2 .

It is a cyclic number.

It is not a de Polignac number, because 256414901 - 2²⁶ = 189306037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256410901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2418956 + ... + 2419061.

It is an arithmetic number, because the mean of its divisors is an integer number (65313243).

Almost surely, 2^256414901 is an apocalyptic number.

It is an amenable number.

256414901 is a deficient number, since it is larger than the sum of its proper divisors (4838071).

256414901 is an equidigital number, since it uses as much as digits as its factorization.

256414901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838070.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 256414901 is about 16012.9604071202. The cubic root of 256414901 is about 635.3032639107.

The spelling of 256414901 in words is "two hundred fifty-six million, four hundred fourteen thousand, nine hundred one".