1253634382 has 32 divisors (see below), whose sum is σ = 2524806144. Its totient is φ = 450856800.

The previous prime is 1253634379. The next prime is 1253634401. The reversal of 1253634382 is 2834363521.

It is a congruent number.

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, 311094 + ... + 315097.

It is an arithmetic number, because the mean of its divisors is an integer number (78900192).

Almost surely, 2^1253634382 is an apocalyptic number.

1253634382 is an abundant number, since it is smaller than the sum of its proper divisors (1271171762).

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

1253634382 is a wasteful number, since it uses less digits than its factorization.

1253634382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626224.

The product of its digits is 103680, while the sum is 37.

The square root of 1253634382 is about 35406.6996767561. The cubic root of 1253634382 is about 1078.2603399846.

The spelling of 1253634382 in words is "one billion, two hundred fifty-three million, six hundred thirty-four thousand, three hundred eighty-two".