41217421 has 4 divisors (see below), whose sum is σ = 47105632. Its totient is φ = 35329212.

The previous prime is 41217419. The next prime is 41217457. The reversal of 41217421 is 12471214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41217421 - 2¹ = 41217419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41217392 and 41217401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41217461) 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, 2944095 + ... + 2944108.

It is an arithmetic number, because the mean of its divisors is an integer number (11776408).

Almost surely, 2^41217421 is an apocalyptic number.

It is an amenable number.

41217421 is a deficient number, since it is larger than the sum of its proper divisors (5888211).

41217421 is an equidigital number, since it uses as much as digits as its factorization.

41217421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5888210.

The product of its digits is 448, while the sum is 22.

The square root of 41217421 is about 6420.0795166415. The cubic root of 41217421 is about 345.4301740361.

Adding to 41217421 its reverse (12471214), we get a palindrome (53688635).

It can be divided in two parts, 4 and 1217421, that multiplied together give a palindrome (4869684).

The spelling of 41217421 in words is "forty-one million, two hundred seventeen thousand, four hundred twenty-one".