252247634 has 8 divisors (see below), whose sum is σ = 378644220. Its totient is φ = 126032896.

The previous prime is 252247603. The next prime is 252247643. The reversal of 252247634 is 436742252.

It can be written as a sum of positive squares in 2 ways, for example, as 213247609 + 39000025 = 14603^2 + 6245^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 252247594 and 252247603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41939 + ... + 47574.

Almost surely, 2^252247634 is an apocalyptic number.

252247634 is a deficient number, since it is larger than the sum of its proper divisors (126396586).

252247634 is a wasteful number, since it uses less digits than its factorization.

252247634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90924.

The product of its digits is 80640, while the sum is 35.

The square root of 252247634 is about 15882.3056890365. The cubic root of 252247634 is about 631.8427895703.

Adding to 252247634 its reverse (436742252), we get a palindrome (688989886).

The spelling of 252247634 in words is "two hundred fifty-two million, two hundred forty-seven thousand, six hundred thirty-four".