41604149 has 4 divisors (see below), whose sum is σ = 41633580. Its totient is φ = 41574720.

The previous prime is 41604137. The next prime is 41604161. The reversal of 41604149 is 94140614.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (41604137) and next prime (41604161).

It can be written as a sum of positive squares in 2 ways, for example, as 14303524 + 27300625 = 3782^2 + 5225^2 .

It is a cyclic number.

It is not a de Polignac number, because 41604149 - 2¹⁶ = 41538613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41604749) 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, 12482 + ... + 15459.

It is an arithmetic number, because the mean of its divisors is an integer number (10408395).

Almost surely, 2^41604149 is an apocalyptic number.

It is an amenable number.

41604149 is a deficient number, since it is larger than the sum of its proper divisors (29431).

41604149 is a wasteful number, since it uses less digits than its factorization.

41604149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29430.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 41604149 is about 6450.1278281907. The cubic root of 41604149 is about 346.5071610677.

The spelling of 41604149 in words is "forty-one million, six hundred four thousand, one hundred forty-nine".