252302231 has 8 divisors (see below), whose sum is σ = 256860240. Its totient is φ = 247753728.

The previous prime is 252302227. The next prime is 252302243. The reversal of 252302231 is 132203252.

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

It is a cyclic number.

It is not a de Polignac number, because 252302231 - 2² = 252302227 is a prime.

It is a super-2 number, since 2×252302231² = 127312831535154722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252302261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71255 + ... + 74711.

It is an arithmetic number, because the mean of its divisors is an integer number (32107530).

Almost surely, 2^252302231 is an apocalyptic number.

252302231 is a deficient number, since it is larger than the sum of its proper divisors (4558009).

252302231 is a wasteful number, since it uses less digits than its factorization.

252302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 252302231 is about 15884.0243955995. The cubic root of 252302231 is about 631.8883720689. Note that the first 3 decimals are identical.

Adding to 252302231 its reverse (132203252), we get a palindrome (384505483).

The spelling of 252302231 in words is "two hundred fifty-two million, three hundred two thousand, two hundred thirty-one".