4528891 has 2 divisors, whose sum is σ = 4528892. Its totient is φ = 4528890.

The previous prime is 4528831. The next prime is 4528913. The reversal of 4528891 is 1988254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4528891 - 2¹¹ = 4526843 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4528891.

It is not a weakly prime, because it can be changed into another prime (4528831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2264445 + 2264446.

It is an arithmetic number, because the mean of its divisors is an integer number (2264446).

Almost surely, 2^4528891 is an apocalyptic number.

4528891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4528891 is an equidigital number, since it uses as much as digits as its factorization.

4528891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 37.

The square root of 4528891 is about 2128.1191226057. The cubic root of 4528891 is about 165.4489274475.

The spelling of 4528891 in words is "four million, five hundred twenty-eight thousand, eight hundred ninety-one".