4546991 has 2 divisors, whose sum is σ = 4546992. Its totient is φ = 4546990.

The previous prime is 4546979. The next prime is 4546999. The reversal of 4546991 is 1996454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4546991 - 2¹⁰ = 4545967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4546999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2273495 + 2273496.

It is an arithmetic number, because the mean of its divisors is an integer number (2273496).

Almost surely, 2^4546991 is an apocalyptic number.

4546991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4546991 is an equidigital number, since it uses as much as digits as its factorization.

4546991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 4546991 is about 2132.3674636422. The cubic root of 4546991 is about 165.6690435140.

The spelling of 4546991 in words is "four million, five hundred forty-six thousand, nine hundred ninety-one".