41405425 has 12 divisors (see below), whose sum is σ = 52068096. Its totient is φ = 32656400.

The previous prime is 41405407. The next prime is 41405437. The reversal of 41405425 is 52450414.

It is a happy number.

It is not a de Polignac number, because 41405425 - 2⁵ = 41405393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41405425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9889 + ... + 13438.

It is an arithmetic number, because the mean of its divisors is an integer number (4339008).

Almost surely, 2^41405425 is an apocalyptic number.

It is an amenable number.

41405425 is a deficient number, since it is larger than the sum of its proper divisors (10662671).

41405425 is a wasteful number, since it uses less digits than its factorization.

41405425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23408 (or 23403 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 41405425 is about 6434.7047329306. The cubic root of 41405425 is about 345.9545782200.

Adding to 41405425 its reverse (52450414), we get a palindrome (93855839).

The spelling of 41405425 in words is "forty-one million, four hundred five thousand, four hundred twenty-five".