47210491 has 2 divisors, whose sum is σ = 47210492. Its totient is φ = 47210490.

The previous prime is 47210477. The next prime is 47210503. The reversal of 47210491 is 19401274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47210491 - 2⁷ = 47210363 is a prime.

It is a super-2 number, since 2×47210491² = 4457660920922162, which contains 22 as substring.

It is equal to p_2843605 and since 47210491 and 2843605 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 (47210441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23605245 + 23605246.

It is an arithmetic number, because the mean of its divisors is an integer number (23605246).

Almost surely, 2^47210491 is an apocalyptic number.

47210491 is a deficient number, since it is larger than the sum of its proper divisors (1).

47210491 is an equidigital number, since it uses as much as digits as its factorization.

47210491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 47210491 is about 6870.9890845496. The cubic root of 47210491 is about 361.4205471779.

The spelling of 47210491 in words is "forty-seven million, two hundred ten thousand, four hundred ninety-one".