255453251 has 2 divisors, whose sum is σ = 255453252. Its totient is φ = 255453250.

The previous prime is 255453181. The next prime is 255453277. The reversal of 255453251 is 152354552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255453251 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (255453281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127726625 + 127726626.

It is an arithmetic number, because the mean of its divisors is an integer number (127726626).

Almost surely, 2^255453251 is an apocalyptic number.

255453251 is a deficient number, since it is larger than the sum of its proper divisors (1).

255453251 is an equidigital number, since it uses as much as digits as its factorization.

255453251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30000, while the sum is 32.

The square root of 255453251 is about 15982.9049612391. The cubic root of 255453251 is about 634.5080621685.

The spelling of 255453251 in words is "two hundred fifty-five million, four hundred fifty-three thousand, two hundred fifty-one".