16052405 has 8 divisors (see below), whose sum is σ = 19507200. Its totient is φ = 12679056.

The previous prime is 16052381. The next prime is 16052411. The reversal of 16052405 is 50425061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16052405 - 2⁸ = 16052149 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19925 + ... + 20714.

It is an arithmetic number, because the mean of its divisors is an integer number (2438400).

Almost surely, 2^16052405 is an apocalyptic number.

It is an amenable number.

16052405 is a deficient number, since it is larger than the sum of its proper divisors (3454795).

16052405 is an equidigital number, since it uses as much as digits as its factorization.

16052405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40723.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 16052405 is about 4006.5452699302. The cubic root of 16052405 is about 252.2590191792.

Adding to 16052405 its reverse (50425061), we get a palindrome (66477466).

The spelling of 16052405 in words is "sixteen million, fifty-two thousand, four hundred five".