47441621 has 2 divisors, whose sum is σ = 47441622. Its totient is φ = 47441620.

The previous prime is 47441609. The next prime is 47441629. The reversal of 47441621 is 12614474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44702596 + 2739025 = 6686^2 + 1655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47441621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47441629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23720810 + 23720811.

It is an arithmetic number, because the mean of its divisors is an integer number (23720811).

Almost surely, 2^47441621 is an apocalyptic number.

It is an amenable number.

47441621 is a deficient number, since it is larger than the sum of its proper divisors (1).

47441621 is an equidigital number, since it uses as much as digits as its factorization.

47441621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

The square root of 47441621 is about 6887.7878161279. The cubic root of 47441621 is about 362.0093935476.

The spelling of 47441621 in words is "forty-seven million, four hundred forty-one thousand, six hundred twenty-one".