652606901 has 2 divisors, whose sum is σ = 652606902. Its totient is φ = 652606900.

The previous prime is 652606883. The next prime is 652606907. The reversal of 652606901 is 109606256.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 651576676 + 1030225 = 25526^2 + 1015^2 .

It is a cyclic number.

It is not a de Polignac number, because 652606901 - 2⁶ = 652606837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652606907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326303450 + 326303451.

It is an arithmetic number, because the mean of its divisors is an integer number (326303451).

Almost surely, 2^652606901 is an apocalyptic number.

It is an amenable number.

652606901 is a deficient number, since it is larger than the sum of its proper divisors (1).

652606901 is an equidigital number, since it uses as much as digits as its factorization.

652606901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 652606901 is about 25546.1719441485. The cubic root of 652606901 is about 867.3956116866.

The spelling of 652606901 in words is "six hundred fifty-two million, six hundred six thousand, nine hundred one".