16249541 has 32 divisors (see below), whose sum is σ = 22118400. Its totient is φ = 11551680.

The previous prime is 16249481. The next prime is 16249543. The reversal of 16249541 is 14594261.

16249541 = T₇₈ + T₇₉ + ... + T₄₆₀.

It is not a de Polignac number, because 16249541 - 2²² = 12055237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16249498 and 16249507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16249543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42236 + ... + 42618.

It is an arithmetic number, because the mean of its divisors is an integer number (691200).

Almost surely, 2^16249541 is an apocalyptic number.

16249541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16249541 is a deficient number, since it is larger than the sum of its proper divisors (5868859).

16249541 is a wasteful number, since it uses less digits than its factorization.

16249541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its digits is 8640, while the sum is 32.

The square root of 16249541 is about 4031.0719418041. The cubic root of 16249541 is about 253.2874661112.

The spelling of 16249541 in words is "sixteen million, two hundred forty-nine thousand, five hundred forty-one".