6623497 has 4 divisors (see below), whose sum is σ = 6668100. Its totient is φ = 6578896.

The previous prime is 6623467. The next prime is 6623521. The reversal of 6623497 is 7943266.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 978121 + 5645376 = 989^2 + 2376^2 .

It is a cyclic number.

It is not a de Polignac number, because 6623497 - 2⁷ = 6623369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6623417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22078 + ... + 22375.

It is an arithmetic number, because the mean of its divisors is an integer number (1667025).

Almost surely, 2^6623497 is an apocalyptic number.

It is an amenable number.

6623497 is a deficient number, since it is larger than the sum of its proper divisors (44603).

6623497 is a wasteful number, since it uses less digits than its factorization.

6623497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44602.

The product of its digits is 54432, while the sum is 37.

The square root of 6623497 is about 2573.6155501551. The cubic root of 6623497 is about 187.8000836243.

The spelling of 6623497 in words is "six million, six hundred twenty-three thousand, four hundred ninety-seven".