47494331 has 2 divisors, whose sum is σ = 47494332. Its totient is φ = 47494330.

The previous prime is 47494327. The next prime is 47494397. The reversal of 47494331 is 13349474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47494331 - 2² = 47494327 is a prime.

It is a super-2 number, since 2×47494331² = 4511422954275122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 47494291 and 47494300.

It is not a weakly prime, because it can be changed into another prime (47494631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23747165 + 23747166.

It is an arithmetic number, because the mean of its divisors is an integer number (23747166).

Almost surely, 2^47494331 is an apocalyptic number.

47494331 is a deficient number, since it is larger than the sum of its proper divisors (1).

47494331 is an equidigital number, since it uses as much as digits as its factorization.

47494331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 47494331 is about 6891.6130912871. The cubic root of 47494331 is about 362.1434140712.

The spelling of 47494331 in words is "forty-seven million, four hundred ninety-four thousand, three hundred thirty-one".