252555016526 has 4 divisors (see below), whose sum is σ = 378832524792. Its totient is φ = 126277508262.

The previous prime is 252555016513. The next prime is 252555016579. The reversal of 252555016526 is 625610555252.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 63138754130 + ... + 63138754133.

It is an arithmetic number, because the mean of its divisors is an integer number (94708131198).

Almost surely, 2^252555016526 is an apocalyptic number.

252555016526 is a deficient number, since it is larger than the sum of its proper divisors (126277508266).

252555016526 is a wasteful number, since it uses less digits than its factorization.

252555016526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126277508265.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 252555016526 in words is "two hundred fifty-two billion, five hundred fifty-five million, sixteen thousand, five hundred twenty-six".