41321621 has 6 divisors (see below), whose sum is σ = 45419766. Its totient is φ = 37565000.

The previous prime is 41321617. The next prime is 41321627. The reversal of 41321621 is 12612314.

It can be written as a sum of positive squares in only one way, i.e., 28462225 + 12859396 = 5335^2 + 3586^2 .

It is not a de Polignac number, because 41321621 - 2² = 41321617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41321593 and 41321602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41321627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 170630 + ... + 170871.

It is an arithmetic number, because the mean of its divisors is an integer number (7569961).

Almost surely, 2^41321621 is an apocalyptic number.

It is an amenable number.

41321621 is a deficient number, since it is larger than the sum of its proper divisors (4098145).

41321621 is a wasteful number, since it uses less digits than its factorization.

41321621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341523 (or 341512 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 41321621 is about 6428.1895584993. The cubic root of 41321621 is about 345.7210181688.

Adding to 41321621 its reverse (12612314), we get a palindrome (53933935).

The spelling of 41321621 in words is "forty-one million, three hundred twenty-one thousand, six hundred twenty-one".