16249417 has 4 divisors (see below), whose sum is σ = 16295040. Its totient is φ = 16203796.

The previous prime is 16249411. The next prime is 16249421. The reversal of 16249417 is 71494261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16249417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16249411) 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, 22273 + ... + 22990.

It is an arithmetic number, because the mean of its divisors is an integer number (4073760).

Almost surely, 2^16249417 is an apocalyptic number.

It is an amenable number.

16249417 is a deficient number, since it is larger than the sum of its proper divisors (45623).

16249417 is an equidigital number, since it uses as much as digits as its factorization.

16249417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45622.

The product of its digits is 12096, while the sum is 34.

The square root of 16249417 is about 4031.0565612504. The cubic root of 16249417 is about 253.2868218320.

The spelling of 16249417 in words is "sixteen million, two hundred forty-nine thousand, four hundred seventeen".