85481419 has 2 divisors, whose sum is σ = 85481420. Its totient is φ = 85481418.

The previous prime is 85481411. The next prime is 85481453. The reversal of 85481419 is 91418458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85481419 - 2³ = 85481411 is a prime.

It is a super-2 number, since 2×85481419² = 14614145988507122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85481411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42740709 + 42740710.

It is an arithmetic number, because the mean of its divisors is an integer number (42740710).

Almost surely, 2^85481419 is an apocalyptic number.

85481419 is a deficient number, since it is larger than the sum of its proper divisors (1).

85481419 is an equidigital number, since it uses as much as digits as its factorization.

85481419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 40.

The square root of 85481419 is about 9245.6162044506. The cubic root of 85481419 is about 440.5114902287.

The spelling of 85481419 in words is "eighty-five million, four hundred eighty-one thousand, four hundred nineteen".