652521256273 has 16 divisors (see below), whose sum is σ = 696356408320. Its totient is φ = 610336296000.

The previous prime is 652521256271. The next prime is 652521256307. The reversal of 652521256273 is 372652125256.

It is a cyclic number.

It is not a de Polignac number, because 652521256273 - 2¹ = 652521256271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652521256271) 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, 1710558 + ... + 2056951.

It is an arithmetic number, because the mean of its divisors is an integer number (43522275520).

Almost surely, 2^652521256273 is an apocalyptic number.

It is an amenable number.

652521256273 is a deficient number, since it is larger than the sum of its proper divisors (43835152047).

652521256273 is a wasteful number, since it uses less digits than its factorization.

652521256273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767728.

The product of its digits is 1512000, while the sum is 46.

The spelling of 652521256273 in words is "six hundred fifty-two billion, five hundred twenty-one million, two hundred fifty-six thousand, two hundred seventy-three".