41642491 has 4 divisors (see below), whose sum is σ = 45428184. Its totient is φ = 37856800.

The previous prime is 41642483. The next prime is 41642507. The reversal of 41642491 is 19424614.

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

It is a cyclic number.

It is not a de Polignac number, because 41642491 - 2³ = 41642483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41642291) 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, 1892830 + ... + 1892851.

It is an arithmetic number, because the mean of its divisors is an integer number (11357046).

Almost surely, 2^41642491 is an apocalyptic number.

41642491 is a deficient number, since it is larger than the sum of its proper divisors (3785693).

41642491 is a wasteful number, since it uses less digits than its factorization.

41642491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785692.

The product of its digits is 6912, while the sum is 31.

The square root of 41642491 is about 6453.0993328787. The cubic root of 41642491 is about 346.6135743191.

The spelling of 41642491 in words is "forty-one million, six hundred forty-two thousand, four hundred ninety-one".