545541419 has 2 divisors, whose sum is σ = 545541420. Its totient is φ = 545541418.

The previous prime is 545541377. The next prime is 545541443. The reversal of 545541419 is 914145545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545541419 - 2¹² = 545537323 is a prime.

It is a super-2 number, since 2×545541419² = 595230879689067122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (545541499) 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 as a sum of consecutive naturals, namely, 272770709 + 272770710.

It is an arithmetic number, because the mean of its divisors is an integer number (272770710).

Almost surely, 2^545541419 is an apocalyptic number.

545541419 is a deficient number, since it is larger than the sum of its proper divisors (1).

545541419 is an equidigital number, since it uses as much as digits as its factorization.

545541419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 38.

The square root of 545541419 is about 23356.8281022916. The cubic root of 545541419 is about 817.1013154473.

The spelling of 545541419 in words is "five hundred forty-five million, five hundred forty-one thousand, four hundred nineteen".