652332157 has 2 divisors, whose sum is σ = 652332158. Its totient is φ = 652332156.

The previous prime is 652332139. The next prime is 652332173. The reversal of 652332157 is 751233256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650709081 + 1623076 = 25509^2 + 1274^2 .

It is a cyclic number.

It is not a de Polignac number, because 652332157 - 2¹¹ = 652330109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652332127) by changing a digit.

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 as a sum of consecutive naturals, namely, 326166078 + 326166079.

It is an arithmetic number, because the mean of its divisors is an integer number (326166079).

Almost surely, 2^652332157 is an apocalyptic number.

It is an amenable number.

652332157 is a deficient number, since it is larger than the sum of its proper divisors (1).

652332157 is an equidigital number, since it uses as much as digits as its factorization.

652332157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 652332157 is about 25540.7939774785. The cubic root of 652332157 is about 867.2738716365.

The spelling of 652332157 in words is "six hundred fifty-two million, three hundred thirty-two thousand, one hundred fifty-seven".