256101763 has 2 divisors, whose sum is σ = 256101764. Its totient is φ = 256101762.

The previous prime is 256101751. The next prime is 256101809. The reversal of 256101763 is 367101652.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256101763 is a prime.

It is a super-2 number, since 2×256101763² = 131176226023416338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (256101863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128050881 + 128050882.

It is an arithmetic number, because the mean of its divisors is an integer number (128050882).

Almost surely, 2^256101763 is an apocalyptic number.

256101763 is a deficient number, since it is larger than the sum of its proper divisors (1).

256101763 is an equidigital number, since it uses as much as digits as its factorization.

256101763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 256101763 is about 16003.1797777817. The cubic root of 256101763 is about 635.0445443776.

The spelling of 256101763 in words is "two hundred fifty-six million, one hundred one thousand, seven hundred sixty-three".