252019886 has 4 divisors (see below), whose sum is σ = 378029832. Its totient is φ = 126009942.

The previous prime is 252019879. The next prime is 252019891. The reversal of 252019886 is 688910252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 63004970 + ... + 63004973.

It is an arithmetic number, because the mean of its divisors is an integer number (94507458).

Almost surely, 2^252019886 is an apocalyptic number.

252019886 is a deficient number, since it is larger than the sum of its proper divisors (126009946).

252019886 is a wasteful number, since it uses less digits than its factorization.

252019886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126009945.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 252019886 is about 15875.1342041571. The cubic root of 252019886 is about 631.6525740280.

The spelling of 252019886 in words is "two hundred fifty-two million, nineteen thousand, eight hundred eighty-six".