84973519 has 2 divisors, whose sum is σ = 84973520. Its totient is φ = 84973518.

The previous prime is 84973501. The next prime is 84973561. The reversal of 84973519 is 91537948.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84973519 - 2¹⁷ = 84842447 is a prime.

It is a super-2 number, since 2×84973519² = 14440997862486722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84973579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42486759 + 42486760.

It is an arithmetic number, because the mean of its divisors is an integer number (42486760).

Almost surely, 2^84973519 is an apocalyptic number.

84973519 is a deficient number, since it is larger than the sum of its proper divisors (1).

84973519 is an equidigital number, since it uses as much as digits as its factorization.

84973519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 84973519 is about 9218.1082115584. The cubic root of 84973519 is about 439.6373026904.

The spelling of 84973519 in words is "eighty-four million, nine hundred seventy-three thousand, five hundred nineteen".