65613363 has 16 divisors (see below), whose sum is σ = 90201600. Its totient is φ = 42401696.

The previous prime is 65613343. The next prime is 65613367. The reversal of 65613363 is 36331656.

It is a cyclic number.

It is not a de Polignac number, because 65613363 - 2⁶ = 65613299 is a prime.

It is a super-2 number, since 2×65613363² = 8610226808339538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65613367) 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, 12913 + ... + 17261.

It is an arithmetic number, because the mean of its divisors is an integer number (5637600).

Almost surely, 2^65613363 is an apocalyptic number.

65613363 is a deficient number, since it is larger than the sum of its proper divisors (24588237).

65613363 is a wasteful number, since it uses less digits than its factorization.

65613363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506.

The product of its digits is 29160, while the sum is 33.

The square root of 65613363 is about 8100.2075899325. The cubic root of 65613363 is about 403.3333182311. Note that the first 4 decimals are identical.

The spelling of 65613363 in words is "sixty-five million, six hundred thirteen thousand, three hundred sixty-three".