85514309 has 4 divisors (see below), whose sum is σ = 85614720. Its totient is φ = 85413900.

The previous prime is 85514287. The next prime is 85514323. The reversal of 85514309 is 90341558.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90341558 = 2 ⋅45170779.

It is a cyclic number.

It is not a de Polignac number, because 85514309 - 2¹² = 85510213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85514339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48917 + ... + 50634.

It is an arithmetic number, because the mean of its divisors is an integer number (21403680).

Almost surely, 2^85514309 is an apocalyptic number.

It is an amenable number.

85514309 is a deficient number, since it is larger than the sum of its proper divisors (100411).

85514309 is an equidigital number, since it uses as much as digits as its factorization.

85514309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100410.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 85514309 is about 9247.3947141884. The cubic root of 85514309 is about 440.5679803419.

The spelling of 85514309 in words is "eighty-five million, five hundred fourteen thousand, three hundred nine".