47854591 has 2 divisors, whose sum is σ = 47854592. Its totient is φ = 47854590.

The previous prime is 47854577. The next prime is 47854619. The reversal of 47854591 is 19545874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47854591 - 2¹³ = 47846399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47854991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23927295 + 23927296.

It is an arithmetic number, because the mean of its divisors is an integer number (23927296).

Almost surely, 2^47854591 is an apocalyptic number.

47854591 is a deficient number, since it is larger than the sum of its proper divisors (1).

47854591 is an equidigital number, since it uses as much as digits as its factorization.

47854591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 47854591 is about 6917.7012800496. The cubic root of 47854591 is about 363.0567672480.

The spelling of 47854591 in words is "forty-seven million, eight hundred fifty-four thousand, five hundred ninety-one".