83625605 has 24 divisors (see below), whose sum is σ = 117468792. Its totient is φ = 56982912.

The previous prime is 83625599. The next prime is 83625611. The reversal of 83625605 is 50652638.

It is an interprime number because it is at equal distance from previous prime (83625599) and next prime (83625611).

It can be written as a sum of positive squares in 4 ways, for example, as 13300609 + 70324996 = 3647^2 + 8386^2 .

It is not a de Polignac number, because 83625605 - 2¹⁴ = 83609221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41399 + ... + 43371.

It is an arithmetic number, because the mean of its divisors is an integer number (4894533).

Almost surely, 2^83625605 is an apocalyptic number.

It is an amenable number.

83625605 is a deficient number, since it is larger than the sum of its proper divisors (33843187).

83625605 is a wasteful number, since it uses less digits than its factorization.

83625605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 83625605 is about 9144.7036584025. The cubic root of 83625605 is about 437.3002821764.

The spelling of 83625605 in words is "eighty-three million, six hundred twenty-five thousand, six hundred five".