83513039 has 4 divisors (see below), whose sum is σ = 86207040. Its totient is φ = 80819040.

The previous prime is 83512991. The next prime is 83513047. The reversal of 83513039 is 93031538.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93031538 = 2 ⋅46515769.

It is a cyclic number.

It is not a de Polignac number, because 83513039 - 2¹⁶ = 83447503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83512996 and 83513014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83513099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346954 + ... + 1347015.

It is an arithmetic number, because the mean of its divisors is an integer number (21551760).

Almost surely, 2^83513039 is an apocalyptic number.

83513039 is a deficient number, since it is larger than the sum of its proper divisors (2694001).

83513039 is a wasteful number, since it uses less digits than its factorization.

83513039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694000.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 83513039 is about 9138.5468757347. The cubic root of 83513039 is about 437.1039816656.

The spelling of 83513039 in words is "eighty-three million, five hundred thirteen thousand, thirty-nine".