256054297 has 2 divisors, whose sum is σ = 256054298. Its totient is φ = 256054296.

The previous prime is 256054273. The next prime is 256054321. The reversal of 256054297 is 792450652.

It is a balanced prime because it is at equal distance from previous prime (256054273) and next prime (256054321).

It can be written as a sum of positive squares in only one way, i.e., 161264601 + 94789696 = 12699^2 + 9736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256054297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (256054217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128027148 + 128027149.

It is an arithmetic number, because the mean of its divisors is an integer number (128027149).

Almost surely, 2^256054297 is an apocalyptic number.

It is an amenable number.

256054297 is a deficient number, since it is larger than the sum of its proper divisors (1).

256054297 is an equidigital number, since it uses as much as digits as its factorization.

256054297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 256054297 is about 16001.6966912887. The cubic root of 256054297 is about 635.0053088196.

The spelling of 256054297 in words is "two hundred fifty-six million, fifty-four thousand, two hundred ninety-seven".