47418541 has 4 divisors (see below), whose sum is σ = 47432412. Its totient is φ = 47404672.

The previous prime is 47418523. The next prime is 47418563. The reversal of 47418541 is 14581474.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 33016516 + 14402025 = 5746^2 + 3795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47418541 is a prime.

It is a super-3 number, since 3×47418541³ (a number of 24 digits) contains 333 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47418497 and 47418506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47410541) 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, 2235 + ... + 9991.

It is an arithmetic number, because the mean of its divisors is an integer number (11858103).

Almost surely, 2^47418541 is an apocalyptic number.

It is an amenable number.

47418541 is a deficient number, since it is larger than the sum of its proper divisors (13871).

47418541 is an equidigital number, since it uses as much as digits as its factorization.

47418541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13870.

The product of its digits is 17920, while the sum is 34.

The square root of 47418541 is about 6886.1121832279. The cubic root of 47418541 is about 361.9506790553.

The spelling of 47418541 in words is "forty-seven million, four hundred eighteen thousand, five hundred forty-one".