652236345 has 12 divisors (see below), whose sum is σ = 1130543076. Its totient is φ = 347859360.

The previous prime is 652236289. The next prime is 652236349. The reversal of 652236345 is 543632256.

It can be written as a sum of positive squares in 2 ways, for example, as 296838441 + 355397904 = 17229^2 + 18852^2 .

It is not a de Polignac number, because 652236345 - 2¹⁵ = 652203577 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (652236349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7247026 + ... + 7247115.

It is an arithmetic number, because the mean of its divisors is an integer number (94211923).

Almost surely, 2^652236345 is an apocalyptic number.

It is an amenable number.

652236345 is a deficient number, since it is larger than the sum of its proper divisors (478306731).

652236345 is a wasteful number, since it uses less digits than its factorization.

652236345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14494152 (or 14494149 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 652236345 is about 25538.9182425568. The cubic root of 652236345 is about 867.2314089576.

The spelling of 652236345 in words is "six hundred fifty-two million, two hundred thirty-six thousand, three hundred forty-five".