15015073 has 6 divisors (see below), whose sum is σ = 15847314. Its totient is φ = 14224464.

The previous prime is 15015047. The next prime is 15015079. The reversal of 15015073 is 37051051.

It can be written as a sum of positive squares in only one way, i.e., 10804369 + 4210704 = 3287^2 + 2052^2 .

It is not a de Polignac number, because 15015073 - 2¹³ = 15006881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15015079) 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 5 ways as a sum of consecutive naturals, for example, 20436 + ... + 21157.

It is an arithmetic number, because the mean of its divisors is an integer number (2641219).

Almost surely, 2^15015073 is an apocalyptic number.

It is an amenable number.

15015073 is a deficient number, since it is larger than the sum of its proper divisors (832241).

15015073 is an equidigital number, since it uses as much as digits as its factorization.

15015073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41631 (or 41612 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 15015073 is about 3874.9287735389. The cubic root of 15015073 is about 246.7037869223.

The spelling of 15015073 in words is "fifteen million, fifteen thousand, seventy-three".