4640567 has 2 divisors, whose sum is σ = 4640568. Its totient is φ = 4640566.

The previous prime is 4640557. The next prime is 4640591. The reversal of 4640567 is 7650464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4640567 - 2¹⁰ = 4639543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320283 + 2320284.

It is an arithmetic number, because the mean of its divisors is an integer number (2320284).

Almost surely, 2^4640567 is an apocalyptic number.

4640567 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640567 is an equidigital number, since it uses as much as digits as its factorization.

4640567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 4640567 is about 2154.1975304043. The cubic root of 4640567 is about 166.7978118896.

The spelling of 4640567 in words is "four million, six hundred forty thousand, five hundred sixty-seven".