256007151 has 12 divisors (see below), whose sum is σ = 370478680. Its totient is φ = 170352720.

The previous prime is 256007137. The next prime is 256007173. The reversal of 256007151 is 151700652.

256007151 is a `hidden beast` number, since 2 + 5 + 600 + 7 + 1 + 51 = 666.

It is not a de Polignac number, because 256007151 - 2¹³ = 255998959 is a prime.

It is a super-2 number, since 2×256007151² = 131079322726273602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256007111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21421 + ... + 31158.

Almost surely, 2^256007151 is an apocalyptic number.

256007151 is a deficient number, since it is larger than the sum of its proper divisors (114471529).

256007151 is a wasteful number, since it uses less digits than its factorization.

256007151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53126 (or 53123 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 256007151 is about 16000.2234671895. The cubic root of 256007151 is about 634.9663329744.

The spelling of 256007151 in words is "two hundred fifty-six million, seven thousand, one hundred fifty-one".