19131252 has 48 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 5177952.

The previous prime is 19131241. The next prime is 19131269. The reversal of 19131252 is 25213191.

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, 4398 + ... + 7589.

It is an arithmetic number, because the mean of its divisors is an integer number (1118880).

Almost surely, 2^19131252 is an apocalyptic number.

19131252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19131252 is an abundant number, since it is smaller than the sum of its proper divisors (34574988).

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

19131252 is a wasteful number, since it uses less digits than its factorization.

19131252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12020 (or 12018 counting only the distinct ones).

The product of its digits is 540, while the sum is 24.

The square root of 19131252 is about 4373.9286688285. The cubic root of 19131252 is about 267.4531993706.

The spelling of 19131252 in words is "nineteen million, one hundred thirty-one thousand, two hundred fifty-two".