1253553255 has 24 divisors (see below), whose sum is σ = 2178528768. Its totient is φ = 666806976.

The previous prime is 1253553221. The next prime is 1253553271. The reversal of 1253553255 is 5523553521.

1253553255 is a `hidden beast` number, since 1 + 2 + 53 + 553 + 2 + 55 = 666.

It is not a de Polignac number, because 1253553255 - 2¹¹ = 1253551207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19132 + ... + 53601.

It is an arithmetic number, because the mean of its divisors is an integer number (90772032).

Almost surely, 2^1253553255 is an apocalyptic number.

1253553255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1253553255 is a deficient number, since it is larger than the sum of its proper divisors (924975513).

1253553255 is a wasteful number, since it uses less digits than its factorization.

1253553255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73127 (or 73124 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 1253553255 is about 35405.5540134595. The cubic root of 1253553255 is about 1078.2370801690.

The spelling of 1253553255 in words is "one billion, two hundred fifty-three million, five hundred fifty-three thousand, two hundred fifty-five".