252042450 has 48 divisors (see below), whose sum is σ = 681893856. Its totient is φ = 61100800.

The previous prime is 252042449. The next prime is 252042463. The reversal of 252042450 is 54240252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 252042450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74727 + ... + 78026.

It is an arithmetic number, because the mean of its divisors is an integer number (14206122).

Almost surely, 2^252042450 is an apocalyptic number.

252042450 is an abundant number, since it is smaller than the sum of its proper divisors (429851406).

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

252042450 is a wasteful number, since it uses less digits than its factorization.

252042450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152779 (or 152774 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 252042450 is about 15875.8448594083. The cubic root of 252042450 is about 631.6714246348.

The spelling of 252042450 in words is "two hundred fifty-two million, forty-two thousand, four hundred fifty".