252184442 has 16 divisors (see below), whose sum is σ = 391392000. Its totient is φ = 121739520.

The previous prime is 252184433. The next prime is 252184447. The reversal of 252184442 is 244481252.

It is a junction number, because it is equal to n+sod(n) for n = 252184399 and 252184408.

It is not an unprimeable number, because it can be changed into a prime (252184447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23309 + ... + 32367.

It is an arithmetic number, because the mean of its divisors is an integer number (24462000).

Almost surely, 2^252184442 is an apocalyptic number.

252184442 is a deficient number, since it is larger than the sum of its proper divisors (139207558).

252184442 is a wasteful number, since it uses less digits than its factorization.

252184442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9541.

The product of its digits is 20480, while the sum is 32.

The square root of 252184442 is about 15880.3161807314. The cubic root of 252184442 is about 631.7900229781.

The spelling of 252184442 in words is "two hundred fifty-two million, one hundred eighty-four thousand, four hundred forty-two".