256262067 has 24 divisors (see below), whose sum is σ = 399578400. Its totient is φ = 157774848.

The previous prime is 256262059. The next prime is 256262081. The reversal of 256262067 is 760262652.

256262067 is a `hidden beast` number, since 2 + 5 + 626 + 20 + 6 + 7 = 666.

It is not a de Polignac number, because 256262067 - 2³ = 256262059 is a prime.

It is a super-2 number, since 2×256262067² = 131340493966224978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256262057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15342 + ... + 27347.

It is an arithmetic number, because the mean of its divisors is an integer number (16649100).

Almost surely, 2^256262067 is an apocalyptic number.

256262067 is a deficient number, since it is larger than the sum of its proper divisors (143316333).

256262067 is a wasteful number, since it uses less digits than its factorization.

256262067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42747 (or 42744 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 256262067 is about 16008.1874989019. The cubic root of 256262067 is about 635.1770163901.

The spelling of 256262067 in words is "two hundred fifty-six million, two hundred sixty-two thousand, sixty-seven".