652685953 has 4 divisors (see below), whose sum is σ = 655536340. Its totient is φ = 649835568.

The previous prime is 652685951. The next prime is 652685993. The reversal of 652685953 is 359586256.

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 470759809 + 181926144 = 21697^2 + 13488^2 .

It is a cyclic number.

It is not a de Polignac number, because 652685953 - 2¹ = 652685951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652685897 and 652685906.

It is not an unprimeable number, because it can be changed into a prime (652685951) 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, 1424850 + ... + 1425307.

It is an arithmetic number, because the mean of its divisors is an integer number (163884085).

Almost surely, 2^652685953 is an apocalyptic number.

It is an amenable number.

652685953 is a deficient number, since it is larger than the sum of its proper divisors (2850387).

652685953 is a wasteful number, since it uses less digits than its factorization.

652685953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850386.

The product of its digits is 1944000, while the sum is 49.

The square root of 652685953 is about 25547.7191349835. The cubic root of 652685953 is about 867.4306335807.

The spelling of 652685953 in words is "six hundred fifty-two million, six hundred eighty-five thousand, nine hundred fifty-three".