64303091 has 2 divisors, whose sum is σ = 64303092. Its totient is φ = 64303090.

The previous prime is 64303081. The next prime is 64303111. The reversal of 64303091 is 19030346.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64303091 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 64303091.

It is not a weakly prime, because it can be changed into another prime (64303051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32151545 + 32151546.

It is an arithmetic number, because the mean of its divisors is an integer number (32151546).

Almost surely, 2^64303091 is an apocalyptic number.

64303091 is a deficient number, since it is larger than the sum of its proper divisors (1).

64303091 is an equidigital number, since it uses as much as digits as its factorization.

64303091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 64303091 is about 8018.9208126780. The cubic root of 64303091 is about 400.6304454078.

The spelling of 64303091 in words is "sixty-four million, three hundred three thousand, ninety-one".