15480003 has 32 divisors (see below), whose sum is σ = 27095040. Its totient is φ = 7616160.

The previous prime is 15479993. The next prime is 15480029. The reversal of 15480003 is 30008451.

15480003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15480003 - 2⁴ = 15479987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (15480053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2626 + ... + 6152.

It is an arithmetic number, because the mean of its divisors is an integer number (846720).

Almost surely, 2^15480003 is an apocalyptic number.

15480003 is a deficient number, since it is larger than the sum of its proper divisors (11615037).

15480003 is a wasteful number, since it uses less digits than its factorization.

15480003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3567.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 15480003 is about 3934.4634958276. The cubic root of 15480003 is about 249.2242781788.

Adding to 15480003 its reverse (30008451), we get a palindrome (45488454).

The spelling of 15480003 in words is "fifteen million, four hundred eighty thousand, three".