256241652 has 24 divisors (see below), whose sum is σ = 600032832. Its totient is φ = 85108800.

The previous prime is 256241621. The next prime is 256241659. The reversal of 256241652 is 256142652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256241659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34624 + ... + 41367.

It is an arithmetic number, because the mean of its divisors is an integer number (25001368).

Almost surely, 2^256241652 is an apocalyptic number.

It is an amenable number.

256241652 is an abundant number, since it is smaller than the sum of its proper divisors (343791180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256241652 is a wasteful number, since it uses less digits than its factorization.

256241652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76279 (or 76277 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 256241652 is about 16007.5498437456. The cubic root of 256241652 is about 635.1601489136.

The spelling of 256241652 in words is "two hundred fifty-six million, two hundred forty-one thousand, six hundred fifty-two".