47233561 has 2 divisors, whose sum is σ = 47233562. Its totient is φ = 47233560.

The previous prime is 47233541. The next prime is 47233573. The reversal of 47233561 is 16533274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42653961 + 4579600 = 6531^2 + 2140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47233561 is a prime.

It is not a weakly prime, because it can be changed into another prime (47233541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23616780 + 23616781.

It is an arithmetic number, because the mean of its divisors is an integer number (23616781).

Almost surely, 2^47233561 is an apocalyptic number.

It is an amenable number.

47233561 is a deficient number, since it is larger than the sum of its proper divisors (1).

47233561 is an equidigital number, since it uses as much as digits as its factorization.

47233561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 47233561 is about 6872.6676771105. The cubic root of 47233561 is about 361.4794084893.

The spelling of 47233561 in words is "forty-seven million, two hundred thirty-three thousand, five hundred sixty-one".