47815093 has 2 divisors, whose sum is σ = 47815094. Its totient is φ = 47815092.

The previous prime is 47815087. The next prime is 47815099. The reversal of 47815093 is 39051874.

It is a balanced prime because it is at equal distance from previous prime (47815087) and next prime (47815099).

It can be written as a sum of positive squares in only one way, i.e., 44849809 + 2965284 = 6697^2 + 1722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47815093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47815099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23907546 + 23907547.

It is an arithmetic number, because the mean of its divisors is an integer number (23907547).

Almost surely, 2^47815093 is an apocalyptic number.

It is an amenable number.

47815093 is a deficient number, since it is larger than the sum of its proper divisors (1).

47815093 is an equidigital number, since it uses as much as digits as its factorization.

47815093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 47815093 is about 6914.8458406533. The cubic root of 47815093 is about 362.9568537182.

The spelling of 47815093 in words is "forty-seven million, eight hundred fifteen thousand, ninety-three".