252785525630 has 32 divisors (see below), whose sum is σ = 496979245440. Its totient is φ = 91810825120.

The previous prime is 252785525609. The next prime is 252785525653. The reversal of 252785525630 is 36525587252.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298420 + ... + 1480359.

It is an arithmetic number, because the mean of its divisors is an integer number (15530601420).

Almost surely, 2^252785525630 is an apocalyptic number.

252785525630 is a deficient number, since it is larger than the sum of its proper divisors (244193719810).

252785525630 is a wasteful number, since it uses less digits than its factorization.

252785525630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779624.

The product of its (nonzero) digits is 5040000, while the sum is 50.

The spelling of 252785525630 in words is "two hundred fifty-two billion, seven hundred eighty-five million, five hundred twenty-five thousand, six hundred thirty".