255453251393 has 2 divisors, whose sum is σ = 255453251394. Its totient is φ = 255453251392.

The previous prime is 255453251381. The next prime is 255453251453. The reversal of 255453251393 is 393152354552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186353665969 + 69099585424 = 431687^2 + 262868^2 .

It is a cyclic number.

It is not a de Polignac number, because 255453251393 - 2¹² = 255453247297 is a prime.

It is not a weakly prime, because it can be changed into another prime (255453251303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127726625696 + 127726625697.

It is an arithmetic number, because the mean of its divisors is an integer number (127726625697).

Almost surely, 2^255453251393 is an apocalyptic number.

It is an amenable number.

255453251393 is a deficient number, since it is larger than the sum of its proper divisors (1).

255453251393 is an equidigital number, since it uses as much as digits as its factorization.

255453251393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430000, while the sum is 47.

The spelling of 255453251393 in words is "two hundred fifty-five billion, four hundred fifty-three million, two hundred fifty-one thousand, three hundred ninety-three".