652653601 has 4 divisors (see below), whose sum is σ = 656259604. Its totient is φ = 649047600.

The previous prime is 652653593. The next prime is 652653611. The reversal of 652653601 is 106356256.

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

It can be written as a sum of positive squares in 2 ways, for example, as 145323025 + 507330576 = 12055^2 + 22524^2 .

It is a cyclic number.

It is not a de Polignac number, because 652653601 - 2³ = 652653593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652653611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802730 + ... + 1803091.

It is an arithmetic number, because the mean of its divisors is an integer number (164064901).

Almost surely, 2^652653601 is an apocalyptic number.

It is an amenable number.

652653601 is a deficient number, since it is larger than the sum of its proper divisors (3606003).

652653601 is a wasteful number, since it uses less digits than its factorization.

652653601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606002.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 652653601 is about 25547.0859590678. The cubic root of 652653601 is about 867.4163012261.

The spelling of 652653601 in words is "six hundred fifty-two million, six hundred fifty-three thousand, six hundred one".