16245541 has 4 divisors (see below), whose sum is σ = 17495212. Its totient is φ = 14995872.

The previous prime is 16245533. The next prime is 16245571. The reversal of 16245541 is 14554261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14554261 = 17 ⋅856133.

It can be written as a sum of positive squares in 2 ways, for example, as 3500641 + 12744900 = 1871^2 + 3570^2 .

It is a cyclic number.

It is not a de Polignac number, because 16245541 - 2³ = 16245533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16245511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624816 + ... + 624841.

It is an arithmetic number, because the mean of its divisors is an integer number (4373803).

Almost surely, 2^16245541 is an apocalyptic number.

It is an amenable number.

16245541 is a deficient number, since it is larger than the sum of its proper divisors (1249671).

16245541 is a wasteful number, since it uses less digits than its factorization.

16245541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249670.

The product of its digits is 4800, while the sum is 28.

The square root of 16245541 is about 4030.5757653219. The cubic root of 16245541 is about 253.2666812573.

The spelling of 16245541 in words is "sixteen million, two hundred forty-five thousand, five hundred forty-one".