41221403 has 2 divisors, whose sum is σ = 41221404. Its totient is φ = 41221402.

The previous prime is 41221399. The next prime is 41221409. The reversal of 41221403 is 30412214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41221403 - 2² = 41221399 is a prime.

It is equal to p_2503412 and since 41221403 and 2503412 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (41221409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20610701 + 20610702.

It is an arithmetic number, because the mean of its divisors is an integer number (20610702).

Almost surely, 2^41221403 is an apocalyptic number.

41221403 is a deficient number, since it is larger than the sum of its proper divisors (1).

41221403 is an equidigital number, since it uses as much as digits as its factorization.

41221403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 41221403 is about 6420.3896299212. The cubic root of 41221403 is about 345.4412976389.

Adding to 41221403 its reverse (30412214), we get a palindrome (71633617).

The spelling of 41221403 in words is "forty-one million, two hundred twenty-one thousand, four hundred three".