16449541 has 2 divisors, whose sum is σ = 16449542. Its totient is φ = 16449540.

The previous prime is 16449529. The next prime is 16449547. The reversal of 16449541 is 14594461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10304100 + 6145441 = 3210^2 + 2479^2 .

It is a cyclic number.

It is not a de Polignac number, because 16449541 - 2¹³ = 16441349 is a prime.

It is a super-2 number, since 2×16449541² = 541174798221362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16449497 and 16449506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16449547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8224770 + 8224771.

It is an arithmetic number, because the mean of its divisors is an integer number (8224771).

Almost surely, 2^16449541 is an apocalyptic number.

It is an amenable number.

16449541 is a deficient number, since it is larger than the sum of its proper divisors (1).

16449541 is an equidigital number, since it uses as much as digits as its factorization.

16449541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 16449541 is about 4055.8033729460. The cubic root of 16449541 is about 254.3223891139.

The spelling of 16449541 in words is "sixteen million, four hundred forty-nine thousand, five hundred forty-one".