653710220225 has 12 divisors (see below), whose sum is σ = 810814275324. Its totient is φ = 522830368320.

The previous prime is 653710220213. The next prime is 653710220231. The reversal of 653710220225 is 522022017356.

It can be written as a sum of positive squares in 6 ways, for example, as 50086887601 + 603623332624 = 223801^2 + 776932^2 .

It is not a de Polignac number, because 653710220225 - 2¹⁴ = 653710203841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3348374 + ... + 3538223.

It is an arithmetic number, because the mean of its divisors is an integer number (67567856277).

Almost surely, 2^653710220225 is an apocalyptic number.

It is an amenable number.

653710220225 is a deficient number, since it is larger than the sum of its proper divisors (157104055099).

653710220225 is a wasteful number, since it uses less digits than its factorization.

653710220225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890404 (or 6890399 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 653710220225 in words is "six hundred fifty-three billion, seven hundred ten million, two hundred twenty thousand, two hundred twenty-five".