256241900527 has 4 divisors (see below), whose sum is σ = 263167357336. Its totient is φ = 249316443720.

The previous prime is 256241900503. The next prime is 256241900539. The reversal of 256241900527 is 725009142652.

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

It is a cyclic number.

It is not a de Polignac number, because 256241900527 - 2¹⁵ = 256241867759 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 (256241900567) 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, 3462728349 + ... + 3462728422.

It is an arithmetic number, because the mean of its divisors is an integer number (65791839334).

Almost surely, 2^256241900527 is an apocalyptic number.

256241900527 is a deficient number, since it is larger than the sum of its proper divisors (6925456809).

256241900527 is an equidigital number, since it uses as much as digits as its factorization.

256241900527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925456808.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 256241900527 in words is "two hundred fifty-six billion, two hundred forty-one million, nine hundred thousand, five hundred twenty-seven".