252051322 has 4 divisors (see below), whose sum is σ = 378076986. Its totient is φ = 126025660.

The previous prime is 252051311. The next prime is 252051323. The reversal of 252051322 is 223150252.

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

It can be written as a sum of positive squares in only one way, i.e., 222337921 + 29713401 = 14911^2 + 5451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252051293 and 252051302.

It is not an unprimeable number, because it can be changed into a prime (252051323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63012829 + ... + 63012832.

Almost surely, 2^252051322 is an apocalyptic number.

252051322 is a deficient number, since it is larger than the sum of its proper divisors (126025664).

252051322 is a wasteful number, since it uses less digits than its factorization.

252051322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126025663.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 252051322 is about 15876.1242751498. The cubic root of 252051322 is about 631.6788362475.

The spelling of 252051322 in words is "two hundred fifty-two million, fifty-one thousand, three hundred twenty-two".