84925121 has 2 divisors, whose sum is σ = 84925122. Its totient is φ = 84925120.

The previous prime is 84925111. The next prime is 84925147. The reversal of 84925121 is 12152948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81450625 + 3474496 = 9025^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 84925121 - 2¹⁴ = 84908737 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84925111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42462560 + 42462561.

It is an arithmetic number, because the mean of its divisors is an integer number (42462561).

Almost surely, 2^84925121 is an apocalyptic number.

It is an amenable number.

84925121 is a deficient number, since it is larger than the sum of its proper divisors (1).

84925121 is an equidigital number, since it uses as much as digits as its factorization.

84925121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 84925121 is about 9215.4826786230. The cubic root of 84925121 is about 439.5538193991.

The spelling of 84925121 in words is "eighty-four million, nine hundred twenty-five thousand, one hundred twenty-one".