252523330515 has 32 divisors (see below), whose sum is σ = 449687557440. Its totient is φ = 134451952128.

The previous prime is 252523330513. The next prime is 252523330519. The reversal of 252523330515 is 515033325252.

252523330515 is a `hidden beast` number, since 2 + 52 + 523 + 3 + 30 + 51 + 5 = 666.

It is not a de Polignac number, because 252523330515 - 2¹ = 252523330513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252523330515.

It is not an unprimeable number, because it can be changed into a prime (252523330513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497132 + ... + 1657241.

It is an arithmetic number, because the mean of its divisors is an integer number (14052736170).

Almost surely, 2^252523330515 is an apocalyptic number.

252523330515 is a deficient number, since it is larger than the sum of its proper divisors (197164226925).

252523330515 is a wasteful number, since it uses less digits than its factorization.

252523330515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154980 (or 3154974 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

Adding to 252523330515 its reverse (515033325252), we get a palindrome (767556655767).

The spelling of 252523330515 in words is "two hundred fifty-two billion, five hundred twenty-three million, three hundred thirty thousand, five hundred fifteen".