65389293 has 12 divisors (see below), whose sum is σ = 100007388. Its totient is φ = 41028480.

The previous prime is 65389277. The next prime is 65389297. The reversal of 65389293 is 39298356.

It can be written as a sum of positive squares in 2 ways, for example, as 23941449 + 41447844 = 4893^2 + 6438^2 .

It is not a de Polignac number, because 65389293 - 2⁴ = 65389277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65389297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213538 + ... + 213843.

It is an arithmetic number, because the mean of its divisors is an integer number (8333949).

Almost surely, 2^65389293 is an apocalyptic number.

It is an amenable number.

65389293 is a deficient number, since it is larger than the sum of its proper divisors (34618095).

65389293 is a wasteful number, since it uses less digits than its factorization.

65389293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427404 (or 427401 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 65389293 is about 8086.3646343706. The cubic root of 65389293 is about 402.8736660860.

The spelling of 65389293 in words is "sixty-five million, three hundred eighty-nine thousand, two hundred ninety-three".