1255405053 has 16 divisors (see below), whose sum is σ = 1931942016. Its totient is φ = 710270400.

The previous prime is 1255405043. The next prime is 1255405093. The reversal of 1255405053 is 3505045521.

It is a happy number.

It is not a de Polignac number, because 1255405053 - 2²¹ = 1253307901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255405053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255405043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293826 + ... + 298067.

It is an arithmetic number, because the mean of its divisors is an integer number (120746376).

Almost surely, 2^1255405053 is an apocalyptic number.

It is an amenable number.

1255405053 is a deficient number, since it is larger than the sum of its proper divisors (676536963).

1255405053 is a wasteful number, since it uses less digits than its factorization.

1255405053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592004.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1255405053 is about 35431.6955987150. The cubic root of 1255405053 is about 1078.7677569676.

The spelling of 1255405053 in words is "one billion, two hundred fifty-five million, four hundred five thousand, fifty-three".