65215365 has 16 divisors (see below), whose sum is σ = 104582016. Its totient is φ = 34702400.

The previous prime is 65215361. The next prime is 65215393. The reversal of 65215365 is 56351256.

It is not a de Polignac number, because 65215365 - 2² = 65215361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65215361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2200 + ... + 11630.

It is an arithmetic number, because the mean of its divisors is an integer number (6536376).

Almost surely, 2^65215365 is an apocalyptic number.

It is an amenable number.

65215365 is a deficient number, since it is larger than the sum of its proper divisors (39366651).

65215365 is a wasteful number, since it uses less digits than its factorization.

65215365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900.

The product of its digits is 27000, while the sum is 33.

The square root of 65215365 is about 8075.6030734553. The cubic root of 65215365 is about 402.5161497063.

The spelling of 65215365 in words is "sixty-five million, two hundred fifteen thousand, three hundred sixty-five".