47277541 has 2 divisors, whose sum is σ = 47277542. Its totient is φ = 47277540.

The previous prime is 47277521. The next prime is 47277553. The reversal of 47277541 is 14577274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42120100 + 5157441 = 6490^2 + 2271^2 .

It is a cyclic number.

It is not a de Polignac number, because 47277541 - 2¹¹ = 47275493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47277541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47277521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23638770 + 23638771.

It is an arithmetic number, because the mean of its divisors is an integer number (23638771).

Almost surely, 2^47277541 is an apocalyptic number.

It is an amenable number.

47277541 is a deficient number, since it is larger than the sum of its proper divisors (1).

47277541 is an equidigital number, since it uses as much as digits as its factorization.

47277541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54880, while the sum is 37.

The square root of 47277541 is about 6875.8665635686. The cubic root of 47277541 is about 361.5915669655.

The spelling of 47277541 in words is "forty-seven million, two hundred seventy-seven thousand, five hundred forty-one".