1255202553 has 32 divisors (see below), whose sum is σ = 1843494912. Its totient is φ = 753379200.

The previous prime is 1255202537. The next prime is 1255202573. The reversal of 1255202553 is 3552025521.

It is not a de Polignac number, because 1255202553 - 2⁴ = 1255202537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255202553.

It is not an unprimeable number, because it can be changed into a prime (1255202513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2067576 + ... + 2068182.

It is an arithmetic number, because the mean of its divisors is an integer number (57609216).

Almost surely, 2^1255202553 is an apocalyptic number.

It is an amenable number.

1255202553 is a deficient number, since it is larger than the sum of its proper divisors (588292359).

1255202553 is a wasteful number, since it uses less digits than its factorization.

1255202553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125.

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

The square root of 1255202553 is about 35428.8378725580. The cubic root of 1255202553 is about 1078.7097511957.

The spelling of 1255202553 in words is "one billion, two hundred fifty-five million, two hundred two thousand, five hundred fifty-three".