256452299 has 2 divisors, whose sum is σ = 256452300. Its totient is φ = 256452298.

The previous prime is 256452271. The next prime is 256452331. The reversal of 256452299 is 992254652.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256452299 is a prime.

It is a super-3 number, since 3×256452299³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (256452239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128226149 + 128226150.

It is an arithmetic number, because the mean of its divisors is an integer number (128226150).

Almost surely, 2^256452299 is an apocalyptic number.

256452299 is a deficient number, since it is larger than the sum of its proper divisors (1).

256452299 is an equidigital number, since it uses as much as digits as its factorization.

256452299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The square root of 256452299 is about 16014.1281061443. The cubic root of 256452299 is about 635.3341486427.

The spelling of 256452299 in words is "two hundred fifty-six million, four hundred fifty-two thousand, two hundred ninety-nine".