6623351 has 4 divisors (see below), whose sum is σ = 7569552. Its totient is φ = 5677152.

The previous prime is 6623341. The next prime is 6623369. The reversal of 6623351 is 1533266.

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

It is a cyclic number.

It is not a de Polignac number, because 6623351 - 2¹⁴ = 6606967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6623351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473090 + ... + 473103.

It is an arithmetic number, because the mean of its divisors is an integer number (1892388).

Almost surely, 2^6623351 is an apocalyptic number.

6623351 is a deficient number, since it is larger than the sum of its proper divisors (946201).

6623351 is an equidigital number, since it uses as much as digits as its factorization.

6623351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946200.

The product of its digits is 3240, while the sum is 26.

The square root of 6623351 is about 2573.5871852339. The cubic root of 6623351 is about 187.7987037382.

The spelling of 6623351 in words is "six million, six hundred twenty-three thousand, three hundred fifty-one".