41630521 has 2 divisors, whose sum is σ = 41630522. Its totient is φ = 41630520.

The previous prime is 41630507. The next prime is 41630527. The reversal of 41630521 is 12503614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37650496 + 3980025 = 6136^2 + 1995^2 .

It is a cyclic number.

It is not a de Polignac number, because 41630521 - 2⁹ = 41630009 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 41630492 and 41630501.

It is not a weakly prime, because it can be changed into another prime (41630527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20815260 + 20815261.

It is an arithmetic number, because the mean of its divisors is an integer number (20815261).

Almost surely, 2^41630521 is an apocalyptic number.

It is an amenable number.

41630521 is a deficient number, since it is larger than the sum of its proper divisors (1).

41630521 is an equidigital number, since it uses as much as digits as its factorization.

41630521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 41630521 is about 6452.1718049041. The cubic root of 41630521 is about 346.5803601511.

The spelling of 41630521 in words is "forty-one million, six hundred thirty thousand, five hundred twenty-one".