252523345 has 8 divisors (see below), whose sum is σ = 303212520. Its totient is φ = 201895680.

The previous prime is 252523343. The next prime is 252523361. The reversal of 252523345 is 543325252.

252523345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17606416 + 234916929 = 4196^2 + 15327^2 .

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

It is not a de Polignac number, because 252523345 - 2¹ = 252523343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252523343) 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, 5800 + ... + 23209.

It is an arithmetic number, because the mean of its divisors is an integer number (37901565).

Almost surely, 2^252523345 is an apocalyptic number.

It is an amenable number.

252523345 is a deficient number, since it is larger than the sum of its proper divisors (50689175).

252523345 is a wasteful number, since it uses less digits than its factorization.

252523345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30755.

The product of its digits is 36000, while the sum is 31.

The square root of 252523345 is about 15890.9831350990. The cubic root of 252523345 is about 632.0729107586.

Adding to 252523345 its reverse (543325252), we get a palindrome (795848597).

The spelling of 252523345 in words is "two hundred fifty-two million, five hundred twenty-three thousand, three hundred forty-five".