64903589 has 2 divisors, whose sum is σ = 64903590. Its totient is φ = 64903588.

The previous prime is 64903571. The next prime is 64903607. The reversal of 64903589 is 98530946.

It is a balanced prime because it is at equal distance from previous prime (64903571) and next prime (64903607).

It can be written as a sum of positive squares in only one way, i.e., 45832900 + 19070689 = 6770^2 + 4367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64903589 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64903529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32451794 + 32451795.

It is an arithmetic number, because the mean of its divisors is an integer number (32451795).

Almost surely, 2^64903589 is an apocalyptic number.

It is an amenable number.

64903589 is a deficient number, since it is larger than the sum of its proper divisors (1).

64903589 is an equidigital number, since it uses as much as digits as its factorization.

64903589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 64903589 is about 8056.2763731143. The cubic root of 64903589 is about 401.8736866253.

The spelling of 64903589 in words is "sixty-four million, nine hundred three thousand, five hundred eighty-nine".