83269509 has 4 divisors (see below), whose sum is σ = 111026016. Its totient is φ = 55513004.

The previous prime is 83269493. The next prime is 83269517. The reversal of 83269509 is 90596238.

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 83269509 - 2⁴ = 83269493 is a prime.

It is a super-2 number, since 2×83269509² = 13867622258202162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83269579) 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, 13878249 + ... + 13878254.

It is an arithmetic number, because the mean of its divisors is an integer number (27756504).

Almost surely, 2^83269509 is an apocalyptic number.

It is an amenable number.

83269509 is a deficient number, since it is larger than the sum of its proper divisors (27756507).

83269509 is a wasteful number, since it uses less digits than its factorization.

83269509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27756506.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 83269509 is about 9125.2128194360. The cubic root of 83269509 is about 436.6786925059.

The spelling of 83269509 in words is "eighty-three million, two hundred sixty-nine thousand, five hundred nine".