4640971 has 2 divisors, whose sum is σ = 4640972. Its totient is φ = 4640970.

The previous prime is 4640969. The next prime is 4640981. The reversal of 4640971 is 1790464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4640971 - 2¹ = 4640969 is a prime.

It is a super-2 number, since 2×4640971² = 43077223645682, which contains 22 as substring.

Together with 4640969, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4640981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320485 + 2320486.

It is an arithmetic number, because the mean of its divisors is an integer number (2320486).

Almost surely, 2^4640971 is an apocalyptic number.

4640971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640971 is an equidigital number, since it uses as much as digits as its factorization.

4640971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4640971 is about 2154.2912987802. The cubic root of 4640971 is about 166.8026521287.

The spelling of 4640971 in words is "four million, six hundred forty thousand, nine hundred seventy-one".