252523102506 has 8 divisors (see below), whose sum is σ = 505046205024. Its totient is φ = 84174367500.

The previous prime is 252523102493. The next prime is 252523102511. The reversal of 252523102506 is 605201325252.

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

252523102506 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21043591870 + ... + 21043591881.

It is an arithmetic number, because the mean of its divisors is an integer number (63130775628).

Almost surely, 2^252523102506 is an apocalyptic number.

252523102506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252523102506 is a wasteful number, since it uses less digits than its factorization.

252523102506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42087183756.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 252523102506 its reverse (605201325252), we get a palindrome (857724427758).

The spelling of 252523102506 in words is "two hundred fifty-two billion, five hundred twenty-three million, one hundred two thousand, five hundred six".