65001589 has 2 divisors, whose sum is σ = 65001590. Its totient is φ = 65001588.

The previous prime is 65001583. The next prime is 65001593. The reversal of 65001589 is 98510056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64931364 + 70225 = 8058^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 65001589 - 2⁹ = 65001077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65001583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32500794 + 32500795.

It is an arithmetic number, because the mean of its divisors is an integer number (32500795).

Almost surely, 2^65001589 is an apocalyptic number.

It is an amenable number.

65001589 is a deficient number, since it is larger than the sum of its proper divisors (1).

65001589 is an equidigital number, since it uses as much as digits as its factorization.

65001589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 65001589 is about 8062.3562932929. The cubic root of 65001589 is about 402.0758522082.

The spelling of 65001589 in words is "sixty-five million, one thousand, five hundred eighty-nine".