5620997 has 2 divisors, whose sum is σ = 5620998. Its totient is φ = 5620996.

The previous prime is 5620991. The next prime is 5621023. The reversal of 5620997 is 7990265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5612161 + 8836 = 2369^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 5620997 - 2⁴ = 5620981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5620997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5620991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2810498 + 2810499.

It is an arithmetic number, because the mean of its divisors is an integer number (2810499).

Almost surely, 2^5620997 is an apocalyptic number.

It is an amenable number.

5620997 is a deficient number, since it is larger than the sum of its proper divisors (1).

5620997 is an equidigital number, since it uses as much as digits as its factorization.

5620997 is an evil number, because the sum of its binary digits is even.

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

The square root of 5620997 is about 2370.8641884343. The cubic root of 5620997 is about 177.8024678237.

The spelling of 5620997 in words is "five million, six hundred twenty thousand, nine hundred ninety-seven".