1253491848 has 80 divisors (see below), whose sum is σ = 4012514880. Its totient is φ = 358139232.

The previous prime is 1253491843. The next prime is 1253491873. The reversal of 1253491848 is 8481943521.

1253491848 is a `hidden beast` number, since 125 + 349 + 184 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1253491843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 133636 + ... + 142707.

It is an arithmetic number, because the mean of its divisors is an integer number (50156436).

Almost surely, 2^1253491848 is an apocalyptic number.

1253491848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1253491848 is an abundant number, since it is smaller than the sum of its proper divisors (2759023032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253491848 is a wasteful number, since it uses less digits than its factorization.

1253491848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276368 (or 276355 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 1253491848 is about 35404.6868083874. The cubic root of 1253491848 is about 1078.2194735814.

The spelling of 1253491848 in words is "one billion, two hundred fifty-three million, four hundred ninety-one thousand, eight hundred forty-eight".