6621119 has 2 divisors, whose sum is σ = 6621120. Its totient is φ = 6621118.

The previous prime is 6621103. The next prime is 6621127. The reversal of 6621119 is 9111266.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6621119 - 2⁴ = 6621103 is a prime.

It is a super-2 number, since 2×6621119² = 87678433624322, which contains 22 as substring.

It is a Chen prime.

It is equal to p₄₅₂₅₂₈ and since 6621119 and 452528 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6627119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310559 + 3310560.

It is an arithmetic number, because the mean of its divisors is an integer number (3310560).

Almost surely, 2^6621119 is an apocalyptic number.

6621119 is a deficient number, since it is larger than the sum of its proper divisors (1).

6621119 is an equidigital number, since it uses as much as digits as its factorization.

6621119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 26.

The square root of 6621119 is about 2573.1535127155. The cubic root of 6621119 is about 187.7776059686. Note that the first 3 decimals are identical.

The spelling of 6621119 in words is "six million, six hundred twenty-one thousand, one hundred nineteen".