65298091 has 2 divisors, whose sum is σ = 65298092. Its totient is φ = 65298090.

The previous prime is 65298031. The next prime is 65298137. The reversal of 65298091 is 19089256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65298091 - 2²³ = 56909483 is a prime.

It is not a weakly prime, because it can be changed into another prime (65298001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32649045 + 32649046.

It is an arithmetic number, because the mean of its divisors is an integer number (32649046).

Almost surely, 2^65298091 is an apocalyptic number.

65298091 is a deficient number, since it is larger than the sum of its proper divisors (1).

65298091 is an equidigital number, since it uses as much as digits as its factorization.

65298091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 65298091 is about 8080.7234205856. The cubic root of 65298091 is about 402.6862756734.

The spelling of 65298091 in words is "sixty-five million, two hundred ninety-eight thousand, ninety-one".