652396993 has 2 divisors, whose sum is σ = 652396994. Its totient is φ = 652396992.

The previous prime is 652396949. The next prime is 652397003. The reversal of 652396993 is 399693256.

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., 375274384 + 277122609 = 19372^2 + 16647^2 .

It is a cyclic number.

It is not a de Polignac number, because 652396993 - 2¹⁷ = 652265921 is a prime.

It is a super-3 number, since 3×652396993³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 652396993.

It is not a weakly prime, because it can be changed into another prime (652396933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326198496 + 326198497.

It is an arithmetic number, because the mean of its divisors is an integer number (326198497).

Almost surely, 2^652396993 is an apocalyptic number.

It is an amenable number.

652396993 is a deficient number, since it is larger than the sum of its proper divisors (1).

652396993 is an equidigital number, since it uses as much as digits as its factorization.

652396993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2361960, while the sum is 52.

The square root of 652396993 is about 25542.0632095373. The cubic root of 652396993 is about 867.3026037813.

The spelling of 652396993 in words is "six hundred fifty-two million, three hundred ninety-six thousand, nine hundred ninety-three".