256062587 has 4 divisors (see below), whose sum is σ = 279341016. Its totient is φ = 232784160.

The previous prime is 256062571. The next prime is 256062617. The reversal of 256062587 is 785260652.

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 256062587 - 2⁴ = 256062571 is a prime.

It is a super-2 number, since 2×256062587² = 131136096922265138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256062787) 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, 11639198 + ... + 11639219.

It is an arithmetic number, because the mean of its divisors is an integer number (69835254).

Almost surely, 2^256062587 is an apocalyptic number.

256062587 is a deficient number, since it is larger than the sum of its proper divisors (23278429).

256062587 is a wasteful number, since it uses less digits than its factorization.

256062587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23278428.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 256062587 is about 16001.9557242232. The cubic root of 256062587 is about 635.0121617114.

The spelling of 256062587 in words is "two hundred fifty-six million, sixty-two thousand, five hundred eighty-seven".