1253863484 has 12 divisors (see below), whose sum is σ = 2197595400. Its totient is φ = 625979088.

The previous prime is 1253863477. The next prime is 1253863489. The reversal of 1253863484 is 4843683521.

It is a super-3 number, since 3×1253863484³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253863489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235199 + ... + 240470.

It is an arithmetic number, because the mean of its divisors is an integer number (183132950).

Almost surely, 2^1253863484 is an apocalyptic number.

It is an amenable number.

1253863484 is a deficient number, since it is larger than the sum of its proper divisors (943731916).

1253863484 is a wasteful number, since it uses less digits than its factorization.

1253863484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476332 (or 476330 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 1253863484 is about 35409.9348206121. The cubic root of 1253863484 is about 1078.3260201002.

The spelling of 1253863484 in words is "one billion, two hundred fifty-three million, eight hundred sixty-three thousand, four hundred eighty-four".