84025229 has 2 divisors, whose sum is σ = 84025230. Its totient is φ = 84025228.

The previous prime is 84025223. The next prime is 84025241. The reversal of 84025229 is 92252048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48622729 + 35402500 = 6973^2 + 5950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84025229 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84025195 and 84025204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84025223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42012614 + 42012615.

It is an arithmetic number, because the mean of its divisors is an integer number (42012615).

Almost surely, 2^84025229 is an apocalyptic number.

It is an amenable number.

84025229 is a deficient number, since it is larger than the sum of its proper divisors (1).

84025229 is an equidigital number, since it uses as much as digits as its factorization.

84025229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 84025229 is about 9166.5276413700. The cubic root of 84025229 is about 437.9957551905.

It can be divided in two parts, 8402 and 5229, that added together give a palindrome (13631).

The spelling of 84025229 in words is "eighty-four million, twenty-five thousand, two hundred twenty-nine".