252443205 has 24 divisors (see below), whose sum is σ = 500078592. Its totient is φ = 115402464.

The previous prime is 252443197. The next prime is 252443207. The reversal of 252443205 is 502344252.

It is a happy number.

It is not a de Polignac number, because 252443205 - 2³ = 252443197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252443207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400389 + ... + 401018.

It is an arithmetic number, because the mean of its divisors is an integer number (20836608).

Almost surely, 2^252443205 is an apocalyptic number.

It is an amenable number.

252443205 is a deficient number, since it is larger than the sum of its proper divisors (247635387).

252443205 is a wasteful number, since it uses less digits than its factorization.

252443205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801425 (or 801422 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 252443205 is about 15888.4613792526. The cubic root of 252443205 is about 632.0060394725.

Adding to 252443205 its reverse (502344252), we get a palindrome (754787457).

The spelling of 252443205 in words is "two hundred fifty-two million, four hundred forty-three thousand, two hundred five".