1255041553 has 2 divisors, whose sum is σ = 1255041554. Its totient is φ = 1255041552.

The previous prime is 1255041539. The next prime is 1255041563. The reversal of 1255041553 is 3551405521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1076364864 + 178676689 = 32808^2 + 13367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255041553 - 2¹³ = 1255033361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1255041533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627520776 + 627520777.

It is an arithmetic number, because the mean of its divisors is an integer number (627520777).

Almost surely, 2^1255041553 is an apocalyptic number.

It is an amenable number.

1255041553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255041553 is an equidigital number, since it uses as much as digits as its factorization.

1255041553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1255041553 is about 35426.5656393617. The cubic root of 1255041553 is about 1078.6636285744.

The spelling of 1255041553 in words is "one billion, two hundred fifty-five million, forty-one thousand, five hundred fifty-three".