252502523 has 16 divisors (see below), whose sum is σ = 314274240. Its totient is φ = 197531136.

The previous prime is 252502511. The next prime is 252502561. The reversal of 252502523 is 325205252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 252502523 - 2¹⁰ = 252501499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252502492 and 252502501.

It is not an unprimeable number, because it can be changed into a prime (252502423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7490 + ... + 23687.

It is an arithmetic number, because the mean of its divisors is an integer number (19642140).

Almost surely, 2^252502523 is an apocalyptic number.

252502523 is a deficient number, since it is larger than the sum of its proper divisors (61771717).

252502523 is a wasteful number, since it uses less digits than its factorization.

252502523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31286.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 252502523 is about 15890.3279701836. The cubic root of 252502523 is about 632.0555376006.

Adding to 252502523 its reverse (325205252), we get a palindrome (577707775).

The spelling of 252502523 in words is "two hundred fifty-two million, five hundred two thousand, five hundred twenty-three".