41609957 has 4 divisors (see below), whose sum is σ = 42624876. Its totient is φ = 40595040.

The previous prime is 41609917. The next prime is 41609959. The reversal of 41609957 is 75990614.

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 5597956 + 36012001 = 2366^2 + 6001^2 .

It is a cyclic number.

It is not a de Polignac number, because 41609957 - 2²⁴ = 24832741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1014877 = 41609957 / (4 + 1 + 6 + 0 + 9 + 9 + 5 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41609959) 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, 507398 + ... + 507479.

It is an arithmetic number, because the mean of its divisors is an integer number (10656219).

Almost surely, 2^41609957 is an apocalyptic number.

It is an amenable number.

41609957 is a deficient number, since it is larger than the sum of its proper divisors (1014919).

41609957 is a wasteful number, since it uses less digits than its factorization.

41609957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014918.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 41609957 is about 6450.5780361143. The cubic root of 41609957 is about 346.5232846194.

The spelling of 41609957 in words is "forty-one million, six hundred nine thousand, nine hundred fifty-seven".