652373261 has 2 divisors, whose sum is σ = 652373262. Its totient is φ = 652373260.

The previous prime is 652373201. The next prime is 652373273. The reversal of 652373261 is 162373256.

652373261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328733161 + 323640100 = 18131^2 + 17990^2 .

It is a cyclic number.

It is not a de Polignac number, because 652373261 - 2²² = 648178957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652373201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326186630 + 326186631.

It is an arithmetic number, because the mean of its divisors is an integer number (326186631).

Almost surely, 2^652373261 is an apocalyptic number.

It is an amenable number.

652373261 is a deficient number, since it is larger than the sum of its proper divisors (1).

652373261 is an equidigital number, since it uses as much as digits as its factorization.

652373261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 652373261 is about 25541.5986382998. The cubic root of 652373261 is about 867.2920871402.

The spelling of 652373261 in words is "six hundred fifty-two million, three hundred seventy-three thousand, two hundred sixty-one".