41509897 has 16 divisors (see below), whose sum is σ = 49190400. Its totient is φ = 34818960.

The previous prime is 41509873. The next prime is 41509907. The reversal of 41509897 is 79890514.

It is not a de Polignac number, because 41509897 - 2¹⁵ = 41477129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41509807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16104 + ... + 18502.

It is an arithmetic number, because the mean of its divisors is an integer number (3074400).

Almost surely, 2^41509897 is an apocalyptic number.

It is an amenable number.

41509897 is a deficient number, since it is larger than the sum of its proper divisors (7680503).

41509897 is a wasteful number, since it uses less digits than its factorization.

41509897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 41509897 is about 6442.8174737455. The cubic root of 41509897 is about 346.2452986715.

The spelling of 41509897 in words is "forty-one million, five hundred nine thousand, eight hundred ninety-seven".