64303387 has 2 divisors, whose sum is σ = 64303388. Its totient is φ = 64303386.

The previous prime is 64303381. The next prime is 64303417. The reversal of 64303387 is 78330346.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64303387 - 2²³ = 55914779 is a prime.

It is not a weakly prime, because it can be changed into another prime (64303381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32151693 + 32151694.

It is an arithmetic number, because the mean of its divisors is an integer number (32151694).

Almost surely, 2^64303387 is an apocalyptic number.

64303387 is a deficient number, since it is larger than the sum of its proper divisors (1).

64303387 is an equidigital number, since it uses as much as digits as its factorization.

64303387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 64303387 is about 8018.9392690056. The cubic root of 64303387 is about 400.6310601342.

The spelling of 64303387 in words is "sixty-four million, three hundred three thousand, three hundred eighty-seven".