252742384 has 10 divisors (see below), whose sum is σ = 489688400. Its totient is φ = 126371184.

The previous prime is 252742339. The next prime is 252742393. The reversal of 252742384 is 483247252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7898184 + ... + 7898215.

It is an arithmetic number, because the mean of its divisors is an integer number (48968840).

Almost surely, 2^252742384 is an apocalyptic number.

It is an amenable number.

252742384 is a deficient number, since it is larger than the sum of its proper divisors (236946016).

252742384 is a wasteful number, since it uses less digits than its factorization.

252742384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15796407 (or 15796401 counting only the distinct ones).

The product of its digits is 107520, while the sum is 37.

The square root of 252742384 is about 15897.8735684997. The cubic root of 252742384 is about 632.2556115005.

The spelling of 252742384 in words is "two hundred fifty-two million, seven hundred forty-two thousand, three hundred eighty-four".