65234889 has 10 divisors (see below), whose sum is σ = 97449770. Its totient is φ = 43489872.

The previous prime is 65234887. The next prime is 65234903. The reversal of 65234889 is 98843256.

65234889 is a `hidden beast` number, since 6 + 523 + 48 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53538489 + 11696400 = 7317^2 + 3420^2 .

It is not a de Polignac number, because 65234889 - 2¹ = 65234887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65234887) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 402604 + ... + 402765.

It is an arithmetic number, because the mean of its divisors is an integer number (9744977).

Almost surely, 2^65234889 is an apocalyptic number.

It is an amenable number.

65234889 is a deficient number, since it is larger than the sum of its proper divisors (32214881).

65234889 is an equidigital number, since it uses as much as digits as its factorization.

65234889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805381 (or 805372 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 65234889 is about 8076.8118091237. The cubic root of 65234889 is about 402.5563137647.

The spelling of 65234889 in words is "sixty-five million, two hundred thirty-four thousand, eight hundred eighty-nine".