652997 has 2 divisors, whose sum is σ = 652998. Its totient is φ = 652996.

The previous prime is 652991. The next prime is 652999. The reversal of 652997 is 799256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391876 + 261121 = 626^2 + 511^2 .

It is a cyclic number.

It is not a de Polignac number, because 652997 - 2⁶ = 652933 is a prime.

Together with 652999, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 652997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326498 + 326499.

It is an arithmetic number, because the mean of its divisors is an integer number (326499).

2⁶⁵²⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

652997 is a deficient number, since it is larger than the sum of its proper divisors (1).

652997 is an equidigital number, since it uses as much as digits as its factorization.

652997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 652997 is about 808.0822977890. The cubic root of 652997 is about 86.7568407266.

The spelling of 652997 in words is "six hundred fifty-two thousand, nine hundred ninety-seven".