252663146 has 8 divisors (see below), whose sum is σ = 401288580. Its totient is φ = 118900288.

The previous prime is 252663139. The next prime is 252663221. The reversal of 252663146 is 641366252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 211382521 + 41280625 = 14539^2 + 6425^2 .

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

It is a zygodrome in base 4.

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, 3715601 + ... + 3715668.

Almost surely, 2^252663146 is an apocalyptic number.

252663146 is a deficient number, since it is larger than the sum of its proper divisors (148625434).

252663146 is a wasteful number, since it uses less digits than its factorization.

252663146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431288.

The product of its digits is 51840, while the sum is 35.

The square root of 252663146 is about 15895.3812788495. The cubic root of 252663146 is about 632.1895311623.

The spelling of 252663146 in words is "two hundred fifty-two million, six hundred sixty-three thousand, one hundred forty-six".