47336561 has 4 divisors (see below), whose sum is σ = 47504112. Its totient is φ = 47169012.

The previous prime is 47336533. The next prime is 47336587. The reversal of 47336561 is 16563374.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16563374 = 2 ⋅8281687.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47336561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47336501) 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, 83351 + ... + 83916.

It is an arithmetic number, because the mean of its divisors is an integer number (11876028).

Almost surely, 2^47336561 is an apocalyptic number.

It is an amenable number.

47336561 is a deficient number, since it is larger than the sum of its proper divisors (167551).

47336561 is a wasteful number, since it uses less digits than its factorization.

47336561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167550.

The product of its digits is 45360, while the sum is 35.

The square root of 47336561 is about 6880.1570476262. The cubic root of 47336561 is about 361.7419714311.

The spelling of 47336561 in words is "forty-seven million, three hundred thirty-six thousand, five hundred sixty-one".