41609925 has 72 divisors (see below), whose sum is σ = 88208640. Its totient is φ = 18345600.

The previous prime is 41609917. The next prime is 41609959. The reversal of 41609925 is 52990614.

41609925 is a `hidden beast` number, since 41 + 609 + 9 + 2 + 5 = 666.

It is not a de Polignac number, because 41609925 - 2³ = 41609917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41609925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 45220 + ... + 46130.

It is an arithmetic number, because the mean of its divisors is an integer number (1225120).

Almost surely, 2^41609925 is an apocalyptic number.

41609925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41609925 is an abundant number, since it is smaller than the sum of its proper divisors (46598715).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41609925 is a wasteful number, since it uses less digits than its factorization.

41609925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 41609925 is about 6450.5755557159. The cubic root of 41609925 is about 346.5231957885.

The spelling of 41609925 in words is "forty-one million, six hundred nine thousand, nine hundred twenty-five".