1253955424 has 24 divisors (see below), whose sum is σ = 2503500048. Its totient is φ = 618145920.

The previous prime is 1253955403. The next prime is 1253955473. The reversal of 1253955424 is 4245593521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273687 + ... + 278230.

It is an arithmetic number, because the mean of its divisors is an integer number (104312502).

Almost surely, 2^1253955424 is an apocalyptic number.

It is an amenable number.

1253955424 is a deficient number, since it is larger than the sum of its proper divisors (1249544624).

1253955424 is an equidigital number, since it uses as much as digits as its factorization.

1253955424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551998 (or 551990 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 1253955424 is about 35411.2330200461. The cubic root of 1253955424 is about 1078.3523756731.

The spelling of 1253955424 in words is "one billion, two hundred fifty-three million, nine hundred fifty-five thousand, four hundred twenty-four".