28514419 has 2 divisors, whose sum is σ = 28514420. Its totient is φ = 28514418.

The previous prime is 28514413. The next prime is 28514429. The reversal of 28514419 is 91441582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28514419 - 2¹¹ = 28512371 is a prime.

It is a super-2 number, since 2×28514419² = 1626144181815122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28514413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14257209 + 14257210.

It is an arithmetic number, because the mean of its divisors is an integer number (14257210).

Almost surely, 2^28514419 is an apocalyptic number.

28514419 is a deficient number, since it is larger than the sum of its proper divisors (1).

28514419 is an equidigital number, since it uses as much as digits as its factorization.

28514419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 34.

The square root of 28514419 is about 5339.8894183307. The cubic root of 28514419 is about 305.5072415854.

The spelling of 28514419 in words is "twenty-eight million, five hundred fourteen thousand, four hundred nineteen".