256241461 has 8 divisors (see below), whose sum is σ = 296859584. Its totient is φ = 216626400.

The previous prime is 256241449. The next prime is 256241471. The reversal of 256241461 is 164142652.

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 256241461 - 2¹³ = 256233269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256241441) 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, 250215 + ... + 251236.

It is an arithmetic number, because the mean of its divisors is an integer number (37107448).

Almost surely, 2^256241461 is an apocalyptic number.

It is an amenable number.

256241461 is a deficient number, since it is larger than the sum of its proper divisors (40618123).

256241461 is an equidigital number, since it uses as much as digits as its factorization.

256241461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501531.

The product of its digits is 11520, while the sum is 31.

The square root of 256241461 is about 16007.5438778096. The cubic root of 256241461 is about 635.1599910995.

The spelling of 256241461 in words is "two hundred fifty-six million, two hundred forty-one thousand, four hundred sixty-one".