4651091 has 2 divisors, whose sum is σ = 4651092. Its totient is φ = 4651090.

The previous prime is 4651063. The next prime is 4651093. The reversal of 4651091 is 1901564.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4651091 - 2⁶ = 4651027 is a prime.

Together with 4651093, it forms a pair of twin primes.

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 4651091.

It is not a weakly prime, because it can be changed into another prime (4651093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2325545 + 2325546.

It is an arithmetic number, because the mean of its divisors is an integer number (2325546).

Almost surely, 2^4651091 is an apocalyptic number.

4651091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4651091 is an equidigital number, since it uses as much as digits as its factorization.

4651091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 4651091 is about 2156.6388200160. The cubic root of 4651091 is about 166.9238061827.

The spelling of 4651091 in words is "four million, six hundred fifty-one thousand, ninety-one".