64412497 has 2 divisors, whose sum is σ = 64412498. Its totient is φ = 64412496.

The previous prime is 64412479. The next prime is 64412503. The reversal of 64412497 is 79421446.

It is a happy number.

Together with previous prime (64412479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57699216 + 6713281 = 7596^2 + 2591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64412497 is a prime.

It is not a weakly prime, because it can be changed into another prime (64412477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32206248 + 32206249.

It is an arithmetic number, because the mean of its divisors is an integer number (32206249).

Almost surely, 2^64412497 is an apocalyptic number.

It is an amenable number.

64412497 is a deficient number, since it is larger than the sum of its proper divisors (1).

64412497 is an equidigital number, since it uses as much as digits as its factorization.

64412497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 64412497 is about 8025.7396543870. The cubic root of 64412497 is about 400.8575290461.

The spelling of 64412497 in words is "sixty-four million, four hundred twelve thousand, four hundred ninety-seven".