652873121 has 2 divisors, whose sum is σ = 652873122. Its totient is φ = 652873120.

The previous prime is 652873063. The next prime is 652873127. The reversal of 652873121 is 121378256.

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., 580810000 + 72063121 = 24100^2 + 8489^2 .

It is a cyclic number.

It is not a de Polignac number, because 652873121 - 2²² = 648678817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (652873127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326436560 + 326436561.

It is an arithmetic number, because the mean of its divisors is an integer number (326436561).

Almost surely, 2^652873121 is an apocalyptic number.

It is an amenable number.

652873121 is a deficient number, since it is larger than the sum of its proper divisors (1).

652873121 is an equidigital number, since it uses as much as digits as its factorization.

652873121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 652873121 is about 25551.3819782805. The cubic root of 652873121 is about 867.5135421318.

The spelling of 652873121 in words is "six hundred fifty-two million, eight hundred seventy-three thousand, one hundred twenty-one".