41240657 has 4 divisors (see below), whose sum is σ = 43666596. Its totient is φ = 38814720.

The previous prime is 41240653. The next prime is 41240663. The reversal of 41240657 is 75604214.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34527376 + 6713281 = 5876^2 + 2591^2 .

It is a cyclic number.

It is not a de Polignac number, because 41240657 - 2² = 41240653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41240651) 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 3 ways as a sum of consecutive naturals, for example, 1212944 + ... + 1212977.

It is an arithmetic number, because the mean of its divisors is an integer number (10916649).

Almost surely, 2^41240657 is an apocalyptic number.

It is an amenable number.

41240657 is a deficient number, since it is larger than the sum of its proper divisors (2425939).

41240657 is a wasteful number, since it uses less digits than its factorization.

41240657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425938.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 41240657 is about 6421.8888965786. Note that the first 4 decimals coincide. The cubic root of 41240657 is about 345.4950730321.

The spelling of 41240657 in words is "forty-one million, two hundred forty thousand, six hundred fifty-seven".