252506560106 has 8 divisors (see below), whose sum is σ = 378817413444. Its totient is φ = 126234088960.

The previous prime is 252506560091. The next prime is 252506560181. The reversal of 252506560106 is 601065605252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 249925005625 + 2581554481 = 499925^2 + 50809^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 252506560106.

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, 9579095 + ... + 9605418.

Almost surely, 2^252506560106 is an apocalyptic number.

252506560106 is a deficient number, since it is larger than the sum of its proper divisors (126310853338).

252506560106 is a wasteful number, since it uses less digits than its factorization.

252506560106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19191096.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 252506560106 in words is "two hundred fifty-two billion, five hundred six million, five hundred sixty thousand, one hundred six".