47291417 has 2 divisors, whose sum is σ = 47291418. Its totient is φ = 47291416.

The previous prime is 47291411. The next prime is 47291459. The reversal of 47291417 is 71419274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46936201 + 355216 = 6851^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 47291417 - 2⁴ = 47291401 is a prime.

It is equal to p_2848157 and since 47291417 and 2848157 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47291411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23645708 + 23645709.

It is an arithmetic number, because the mean of its divisors is an integer number (23645709).

Almost surely, 2^47291417 is an apocalyptic number.

It is an amenable number.

47291417 is a deficient number, since it is larger than the sum of its proper divisors (1).

47291417 is an equidigital number, since it uses as much as digits as its factorization.

47291417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 47291417 is about 6876.8755259929. The cubic root of 47291417 is about 361.6269393198.

The spelling of 47291417 in words is "forty-seven million, two hundred ninety-one thousand, four hundred seventeen".