84481225 has 6 divisors (see below), whose sum is σ = 104756750. Its totient is φ = 67584960.

The previous prime is 84481223. The next prime is 84481247. The reversal of 84481225 is 52218448.

It can be written as a sum of positive squares in 3 ways, for example, as 8111104 + 76370121 = 2848^2 + 8739^2 .

It is not a de Polignac number, because 84481225 - 2¹ = 84481223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84481223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1689600 + ... + 1689649.

Almost surely, 2^84481225 is an apocalyptic number.

It is an amenable number.

84481225 is a deficient number, since it is larger than the sum of its proper divisors (20275525).

84481225 is a wasteful number, since it uses less digits than its factorization.

84481225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379259 (or 3379254 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 84481225 is about 9191.3668733219. The cubic root of 84481225 is about 438.7866450455.

The spelling of 84481225 in words is "eighty-four million, four hundred eighty-one thousand, two hundred twenty-five".