256150503 has 24 divisors (see below), whose sum is σ = 428651808. Its totient is φ = 144364032.

The previous prime is 256150483. The next prime is 256150507. The reversal of 256150503 is 305051652.

256150503 is a `hidden beast` number, since 2 + 5 + 6 + 150 + 503 = 666.

It is not a de Polignac number, because 256150503 - 2¹⁰ = 256149479 is a prime.

It is a super-2 number, since 2×256150503² = 131226160374306018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256150507) 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, 23250 + ... + 32447.

It is an arithmetic number, because the mean of its divisors is an integer number (17860492).

Almost surely, 2^256150503 is an apocalyptic number.

256150503 is a deficient number, since it is larger than the sum of its proper divisors (172501305).

256150503 is a wasteful number, since it uses less digits than its factorization.

256150503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55783 (or 55780 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 256150503 is about 16004.7025276948. The cubic root of 256150503 is about 635.0848279839.

The spelling of 256150503 in words is "two hundred fifty-six million, one hundred fifty thousand, five hundred three".