256050761 has 2 divisors, whose sum is σ = 256050762. Its totient is φ = 256050760.

The previous prime is 256050709. The next prime is 256050763. The reversal of 256050761 is 167050652.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206784400 + 49266361 = 14380^2 + 7019^2 .

It is a cyclic number.

It is not a de Polignac number, because 256050761 - 2¹⁰ = 256049737 is a prime.

Together with 256050763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (256050763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128025380 + 128025381.

It is an arithmetic number, because the mean of its divisors is an integer number (128025381).

Almost surely, 2^256050761 is an apocalyptic number.

It is an amenable number.

256050761 is a deficient number, since it is larger than the sum of its proper divisors (1).

256050761 is an equidigital number, since it uses as much as digits as its factorization.

256050761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 256050761 is about 16001.5862026238. The cubic root of 256050761 is about 635.0023857558.

The spelling of 256050761 in words is "two hundred fifty-six million, fifty thousand, seven hundred sixty-one".