83436513 has 4 divisors (see below), whose sum is σ = 111248688. Its totient is φ = 55624340.

The previous prime is 83436511. The next prime is 83436523. The reversal of 83436513 is 31563438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83436513 - 2¹ = 83436511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83436511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13906083 + ... + 13906088.

It is an arithmetic number, because the mean of its divisors is an integer number (27812172).

Almost surely, 2^83436513 is an apocalyptic number.

It is an amenable number.

83436513 is a deficient number, since it is larger than the sum of its proper divisors (27812175).

83436513 is a wasteful number, since it uses less digits than its factorization.

83436513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27812174.

The product of its digits is 25920, while the sum is 33.

The square root of 83436513 is about 9134.3589266023. The cubic root of 83436513 is about 436.9704295002.

The spelling of 83436513 in words is "eighty-three million, four hundred thirty-six thousand, five hundred thirteen".