65466131 has 4 divisors (see below), whose sum is σ = 66078072. Its totient is φ = 64854192.

The previous prime is 65466127. The next prime is 65466139. The reversal of 65466131 is 13166456.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65466131 - 2² = 65466127 is a prime.

It is a super-2 number, since 2×65466131² = 8571628616218322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65466139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305810 + ... + 306023.

It is an arithmetic number, because the mean of its divisors is an integer number (16519518).

Almost surely, 2^65466131 is an apocalyptic number.

65466131 is a deficient number, since it is larger than the sum of its proper divisors (611941).

65466131 is a wasteful number, since it uses less digits than its factorization.

65466131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611940.

The product of its digits is 12960, while the sum is 32.

The square root of 65466131 is about 8091.1143237505. The cubic root of 65466131 is about 403.0314079625.

The spelling of 65466131 in words is "sixty-five million, four hundred sixty-six thousand, one hundred thirty-one".