65361913 has 16 divisors (see below), whose sum is σ = 69237504. Its totient is φ = 61632640.

The previous prime is 65361899. The next prime is 65361931. The reversal of 65361913 is 31916356.

It is a cyclic number.

It is not a de Polignac number, because 65361913 - 2¹³ = 65353721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65361953) 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, 206031 + ... + 206347.

It is an arithmetic number, because the mean of its divisors is an integer number (4327344).

Almost surely, 2^65361913 is an apocalyptic number.

It is an amenable number.

65361913 is a deficient number, since it is larger than the sum of its proper divisors (3875591).

65361913 is a wasteful number, since it uses less digits than its factorization.

65361913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its digits is 14580, while the sum is 34.

The square root of 65361913 is about 8084.6714837401. The cubic root of 65361913 is about 402.8174274143.

The spelling of 65361913 in words is "sixty-five million, three hundred sixty-one thousand, nine hundred thirteen".