15330085 has 4 divisors (see below), whose sum is σ = 18396108. Its totient is φ = 12264064.

The previous prime is 15330079. The next prime is 15330103. The reversal of 15330085 is 58003351.

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: 58003351 = 7 ⋅8286193.

It can be written as a sum of positive squares in 2 ways, for example, as 12236004 + 3094081 = 3498^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 15330085 - 2¹³ = 15321893 is a prime.

It is a super-2 number, since 2×15330085² = 470023012214450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533004 + ... + 1533013.

It is an arithmetic number, because the mean of its divisors is an integer number (4599027).

Almost surely, 2^15330085 is an apocalyptic number.

It is an amenable number.

15330085 is a deficient number, since it is larger than the sum of its proper divisors (3066023).

15330085 is an equidigital number, since it uses as much as digits as its factorization.

15330085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066022.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 15330085 is about 3915.3652447760. The cubic root of 15330085 is about 248.4171191039.

The spelling of 15330085 in words is "fifteen million, three hundred thirty thousand, eighty-five".