5421919 has 2 divisors, whose sum is σ = 5421920. Its totient is φ = 5421918.

The previous prime is 5421907. The next prime is 5421947. The reversal of 5421919 is 9191245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5421919 - 2⁵ = 5421887 is a prime.

It is a super-2 number, since 2×5421919² = 58794411285122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5421019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710959 + 2710960.

It is an arithmetic number, because the mean of its divisors is an integer number (2710960).

Almost surely, 2^5421919 is an apocalyptic number.

5421919 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421919 is an equidigital number, since it uses as much as digits as its factorization.

5421919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 5421919 is about 2328.5014494305. The cubic root of 5421919 is about 175.6781199312.

The spelling of 5421919 in words is "five million, four hundred twenty-one thousand, nine hundred nineteen".