252820532001 has 16 divisors (see below), whose sum is σ = 343480144896. Its totient is φ = 165354448896.

The previous prime is 252820531981. The next prime is 252820532011. The reversal of 252820532001 is 100235028252.

It is not a de Polignac number, because 252820532001 - 2⁶ = 252820531937 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252820532001.

It is not an unprimeable number, because it can be changed into a prime (252820532011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2369856 + ... + 2474238.

It is an arithmetic number, because the mean of its divisors is an integer number (21467509056).

Almost surely, 2^252820532001 is an apocalyptic number.

It is an amenable number.

252820532001 is a deficient number, since it is larger than the sum of its proper divisors (90659612895).

252820532001 is a wasteful number, since it uses less digits than its factorization.

252820532001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119672.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 252820532001 in words is "two hundred fifty-two billion, eight hundred twenty million, five hundred thirty-two thousand, one".