252525252515 has 8 divisors (see below), whose sum is σ = 316205533728. Its totient is φ = 193236714880.

The previous prime is 252525252503. The next prime is 252525252517. The reversal of 252525252515 is 515252525252.

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

It is not a de Polignac number, because 252525252515 - 2¹² = 252525248419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252525252517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097935766 + ... + 1097935995.

It is an arithmetic number, because the mean of its divisors is an integer number (39525691716).

Almost surely, 2^252525252515 is an apocalyptic number.

252525252515 is a deficient number, since it is larger than the sum of its proper divisors (63680281213).

252525252515 is a wasteful number, since it uses less digits than its factorization.

252525252515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195871789.

The product of its digits is 500000, while the sum is 41.

Adding to 252525252515 its reverse (515252525252), we get a palindrome (767777777767).

The spelling of 252525252515 in words is "two hundred fifty-two billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred fifteen".