64245589 has 2 divisors, whose sum is σ = 64245590. Its totient is φ = 64245588.

The previous prime is 64245551. The next prime is 64245607. The reversal of 64245589 is 98554246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33443089 + 30802500 = 5783^2 + 5550^2 .

It is a cyclic number.

It is not a de Polignac number, because 64245589 - 2¹⁷ = 64114517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64245889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32122794 + 32122795.

It is an arithmetic number, because the mean of its divisors is an integer number (32122795).

Almost surely, 2^64245589 is an apocalyptic number.

It is an amenable number.

64245589 is a deficient number, since it is larger than the sum of its proper divisors (1).

64245589 is an equidigital number, since it uses as much as digits as its factorization.

64245589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 43.

The square root of 64245589 is about 8015.3346155978. The cubic root of 64245589 is about 400.5109906933.

The spelling of 64245589 in words is "sixty-four million, two hundred forty-five thousand, five hundred eighty-nine".