83069261 has 16 divisors (see below), whose sum is σ = 94953600. Its totient is φ = 71934720.

The previous prime is 83069221. The next prime is 83069263. The reversal of 83069261 is 16296038.

It is a de Polignac number, because none of the positive numbers 2^k-83069261 is a prime.

It is a super-2 number, since 2×83069261² = 13801004246172242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83069263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78665 + ... + 79713.

It is an arithmetic number, because the mean of its divisors is an integer number (5934600).

Almost surely, 2^83069261 is an apocalyptic number.

It is an amenable number.

83069261 is a deficient number, since it is larger than the sum of its proper divisors (11884339).

83069261 is a wasteful number, since it uses less digits than its factorization.

83069261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 83069261 is about 9114.2339776857. The cubic root of 83069261 is about 436.3283672976.

The spelling of 83069261 in words is "eighty-three million, sixty-nine thousand, two hundred sixty-one".