252149682 has 8 divisors (see below), whose sum is σ = 504299376. Its totient is φ = 84049892.

The previous prime is 252149671. The next prime is 252149683. The reversal of 252149682 is 286941252.

It is a sphenic number, since it is the product of 3 distinct primes.

252149682 is an admirable number.

It is a super-2 number, since 2×252149682² = 127158924265402248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252149682.

It is not an unprimeable number, because it can be changed into a prime (252149683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21012468 + ... + 21012479.

It is an arithmetic number, because the mean of its divisors is an integer number (63037422).

Almost surely, 2^252149682 is an apocalyptic number.

252149682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252149682 is a wasteful number, since it uses less digits than its factorization.

252149682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42024952.

The product of its digits is 69120, while the sum is 39.

The square root of 252149682 is about 15879.2217063684. The cubic root of 252149682 is about 631.7609939202.

The spelling of 252149682 in words is "two hundred fifty-two million, one hundred forty-nine thousand, six hundred eighty-two".