252381382 has 16 divisors (see below), whose sum is σ = 413679312. Its totient is φ = 114526720.

The previous prime is 252381377. The next prime is 252381383. The reversal of 252381382 is 283183252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252381383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4278 + ... + 22870.

It is an arithmetic number, because the mean of its divisors is an integer number (25854957).

Almost surely, 2^252381382 is an apocalyptic number.

252381382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252381382 is a deficient number, since it is larger than the sum of its proper divisors (161297930).

252381382 is a wasteful number, since it uses less digits than its factorization.

252381382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19223.

The product of its digits is 23040, while the sum is 34.

The square root of 252381382 is about 15886.5157287556. The cubic root of 252381382 is about 631.9544427851.

The spelling of 252381382 in words is "two hundred fifty-two million, three hundred eighty-one thousand, three hundred eighty-two".