252163193 has 18 divisors (see below), whose sum is σ = 282826206. Its totient is φ = 224745984.

The previous prime is 252163189. The next prime is 252163201. The reversal of 252163193 is 391361252.

It can be written as a sum of positive squares in 3 ways, for example, as 178409449 + 73753744 = 13357^2 + 8588^2 .

It is not a de Polignac number, because 252163193 - 2² = 252163189 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252163493) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 103121 + ... + 105537.

It is an arithmetic number, because the mean of its divisors is an integer number (15712567).

Almost surely, 2^252163193 is an apocalyptic number.

It is an amenable number.

252163193 is a deficient number, since it is larger than the sum of its proper divisors (30663013).

252163193 is a wasteful number, since it uses less digits than its factorization.

252163193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2453 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 252163193 is about 15879.6471308402. The cubic root of 252163193 is about 631.7722776549.

The spelling of 252163193 in words is "two hundred fifty-two million, one hundred sixty-three thousand, one hundred ninety-three".