652623893 has 2 divisors, whose sum is σ = 652623894. Its totient is φ = 652623892.

The previous prime is 652623887. The next prime is 652623899. The reversal of 652623893 is 398326256.

It is a balanced prime because it is at equal distance from previous prime (652623887) and next prime (652623899).

It can be written as a sum of positive squares in only one way, i.e., 574177444 + 78446449 = 23962^2 + 8857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652623893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652623899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326311946 + 326311947.

It is an arithmetic number, because the mean of its divisors is an integer number (326311947).

Almost surely, 2^652623893 is an apocalyptic number.

It is an amenable number.

652623893 is a deficient number, since it is larger than the sum of its proper divisors (1).

652623893 is an equidigital number, since it uses as much as digits as its factorization.

652623893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 652623893 is about 25546.5045162738. The cubic root of 652623893 is about 867.4031397806.

The spelling of 652623893 in words is "six hundred fifty-two million, six hundred twenty-three thousand, eight hundred ninety-three".