83325091 has 4 divisors (see below), whose sum is σ = 86198400. Its totient is φ = 80451784.

The previous prime is 83325071. The next prime is 83325107. The reversal of 83325091 is 19052338.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19052338 = 2 ⋅9526169.

It is a cyclic number.

It is not a de Polignac number, because 83325091 - 2²³ = 74936483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83325001) 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, 1436611 + ... + 1436668.

It is an arithmetic number, because the mean of its divisors is an integer number (21549600).

Almost surely, 2^83325091 is an apocalyptic number.

83325091 is a deficient number, since it is larger than the sum of its proper divisors (2873309).

83325091 is a wasteful number, since it uses less digits than its factorization.

83325091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873308.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 83325091 is about 9128.2578293999. The cubic root of 83325091 is about 436.7758312106.

The spelling of 83325091 in words is "eighty-three million, three hundred twenty-five thousand, ninety-one".