83530465 has 4 divisors (see below), whose sum is σ = 100236564. Its totient is φ = 66824368.

The previous prime is 83530439. The next prime is 83530471. The reversal of 83530465 is 56403538.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23126481 + 60403984 = 4809^2 + 7772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83530465 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83530465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8353042 + ... + 8353051.

It is an arithmetic number, because the mean of its divisors is an integer number (25059141).

Almost surely, 2^83530465 is an apocalyptic number.

It is an amenable number.

83530465 is a deficient number, since it is larger than the sum of its proper divisors (16706099).

83530465 is a wasteful number, since it uses less digits than its factorization.

83530465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16706098.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 83530465 is about 9139.5002598610. The cubic root of 83530465 is about 437.1343818855.

It can be divided in two parts, 8353046 and 5, that multiplied together give a triangular number (41765230 = T₉₁₃₉).

The spelling of 83530465 in words is "eighty-three million, five hundred thirty thousand, four hundred sixty-five".