83164225 has 6 divisors (see below), whose sum is σ = 103123670. Its totient is φ = 66531360.

The previous prime is 83164223. The next prime is 83164231. The reversal of 83164225 is 52246138.

It can be written as a sum of positive squares in 3 ways, for example, as 863041 + 82301184 = 929^2 + 9072^2 .

It is not a de Polignac number, because 83164225 - 2¹ = 83164223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83164223) 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, 1663260 + ... + 1663309.

Almost surely, 2^83164225 is an apocalyptic number.

It is an amenable number.

83164225 is a deficient number, since it is larger than the sum of its proper divisors (19959445).

83164225 is a wasteful number, since it uses less digits than its factorization.

83164225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326579 (or 3326574 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 83164225 is about 9119.4421430261. The cubic root of 83164225 is about 436.4945728110.

It can be divided in two parts, 831 and 64225, that added together give a palindrome (65056).

The spelling of 83164225 in words is "eighty-three million, one hundred sixty-four thousand, two hundred twenty-five".