64298497 has 2 divisors, whose sum is σ = 64298498. Its totient is φ = 64298496.

The previous prime is 64298401. The next prime is 64298543. The reversal of 64298497 is 79489246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38987536 + 25310961 = 6244^2 + 5031^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64298497 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 64298497.

It is not a weakly prime, because it can be changed into another prime (64298197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32149248 + 32149249.

It is an arithmetic number, because the mean of its divisors is an integer number (32149249).

Almost surely, 2^64298497 is an apocalyptic number.

It is an amenable number.

64298497 is a deficient number, since it is larger than the sum of its proper divisors (1).

64298497 is an equidigital number, since it uses as much as digits as its factorization.

64298497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 64298497 is about 8018.6343600391. The cubic root of 64298497 is about 400.6209044455.

The spelling of 64298497 in words is "sixty-four million, two hundred ninety-eight thousand, four hundred ninety-seven".