16052403 has 16 divisors (see below), whose sum is σ = 22813056. Its totient is φ = 10005120.

The previous prime is 16052381. The next prime is 16052411. The reversal of 16052403 is 30425061.

It is a happy number.

It is not a de Polignac number, because 16052403 - 2⁵ = 16052371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16052403.

It is not an unprimeable number, because it can be changed into a prime (16052423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7348 + ... + 9278.

It is an arithmetic number, because the mean of its divisors is an integer number (1425816).

Almost surely, 2^16052403 is an apocalyptic number.

16052403 is a deficient number, since it is larger than the sum of its proper divisors (6760653).

16052403 is a wasteful number, since it uses less digits than its factorization.

16052403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 16052403 is about 4006.5450203386. The cubic root of 16052403 is about 252.2590087028.

Adding to 16052403 its reverse (30425061), we get a palindrome (46477464).

The spelling of 16052403 in words is "sixteen million, fifty-two thousand, four hundred three".