65464963 has 16 divisors (see below), whose sum is σ = 70276096. Its totient is φ = 60873120.

The previous prime is 65464939. The next prime is 65464967. The reversal of 65464963 is 36946456.

It is a cyclic number.

It is not a de Polignac number, because 65464963 - 2¹³ = 65456771 is a prime.

It is a super-2 number, since 2×65464963² = 8571322761182738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65464967) 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, 88945 + ... + 89677.

It is an arithmetic number, because the mean of its divisors is an integer number (4392256).

Almost surely, 2^65464963 is an apocalyptic number.

65464963 is a deficient number, since it is larger than the sum of its proper divisors (4811133).

65464963 is a wasteful number, since it uses less digits than its factorization.

65464963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its digits is 466560, while the sum is 43.

The square root of 65464963 is about 8091.0421454841. The cubic root of 65464963 is about 403.0290110820.

The spelling of 65464963 in words is "sixty-five million, four hundred sixty-four thousand, nine hundred sixty-three".