256292371 has 2 divisors, whose sum is σ = 256292372. Its totient is φ = 256292370.

The previous prime is 256292359. The next prime is 256292383. The reversal of 256292371 is 173292652.

It is a balanced prime because it is at equal distance from previous prime (256292359) and next prime (256292383).

It is a cyclic number.

It is not a de Polignac number, because 256292371 - 2¹⁵ = 256259603 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 256292371.

It is not a weakly prime, because it can be changed into another prime (256299371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128146185 + 128146186.

It is an arithmetic number, because the mean of its divisors is an integer number (128146186).

Almost surely, 2^256292371 is an apocalyptic number.

256292371 is a deficient number, since it is larger than the sum of its proper divisors (1).

256292371 is an equidigital number, since it uses as much as digits as its factorization.

256292371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 256292371 is about 16009.1339865715. The cubic root of 256292371 is about 635.2020527989.

The spelling of 256292371 in words is "two hundred fifty-six million, two hundred ninety-two thousand, three hundred seventy-one".