41821225 has 6 divisors (see below), whose sum is σ = 51858350. Its totient is φ = 33456960.

The previous prime is 41821217. The next prime is 41821237. The reversal of 41821225 is 52212814.

It can be written as a sum of positive squares in 3 ways, for example, as 7750656 + 34070569 = 2784^2 + 5837^2 .

It is not a de Polignac number, because 41821225 - 2³ = 41821217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1672849 = 41821225 / (4 + 1 + 8 + 2 + 1 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 41821225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 836400 + ... + 836449.

Almost surely, 2^41821225 is an apocalyptic number.

It is an amenable number.

41821225 is a deficient number, since it is larger than the sum of its proper divisors (10037125).

41821225 is a wasteful number, since it uses less digits than its factorization.

41821225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672859 (or 1672854 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 41821225 is about 6466.9331989746. The cubic root of 41821225 is about 347.1087672941.

The spelling of 41821225 in words is "forty-one million, eight hundred twenty-one thousand, two hundred twenty-five".