84973153 has 2 divisors, whose sum is σ = 84973154. Its totient is φ = 84973152.

The previous prime is 84973129. The next prime is 84973171. The reversal of 84973153 is 35137948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84768849 + 204304 = 9207^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 84973153 - 2⁵ = 84973121 is a prime.

It is a super-2 number, since 2×84973153² = 14440873461522818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84973193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42486576 + 42486577.

It is an arithmetic number, because the mean of its divisors is an integer number (42486577).

Almost surely, 2^84973153 is an apocalyptic number.

It is an amenable number.

84973153 is a deficient number, since it is larger than the sum of its proper divisors (1).

84973153 is an equidigital number, since it uses as much as digits as its factorization.

84973153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 84973153 is about 9218.0883593075. The cubic root of 84973153 is about 439.6366714840.

The spelling of 84973153 in words is "eighty-four million, nine hundred seventy-three thousand, one hundred fifty-three".