1253503524 has 48 divisors (see below), whose sum is σ = 3599808128. Its totient is φ = 330594048.

The previous prime is 1253503487. The next prime is 1253503561. The reversal of 1253503524 is 4253053521.

It is an interprime number because it is at equal distance from previous prime (1253503487) and next prime (1253503561).

It is a junction number, because it is equal to n+sod(n) for n = 1253503491 and 1253503500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572857 + ... + 575040.

Almost surely, 2^1253503524 is an apocalyptic number.

1253503524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1253503524 is an abundant number, since it is smaller than the sum of its proper divisors (2346304604).

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

1253503524 is a wasteful number, since it uses less digits than its factorization.

1253503524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147924 (or 1147922 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1253503524 is about 35404.8517014265. The cubic root of 1253503524 is about 1078.2228213631. Note that the first 3 decimals are identical.

The spelling of 1253503524 in words is "one billion, two hundred fifty-three million, five hundred three thousand, five hundred twenty-four".