514432161 has 32 divisors (see below), whose sum is σ = 776805120. Its totient is φ = 336413952.

The previous prime is 514432157. The next prime is 514432183. The reversal of 514432161 is 161234415.

It is a happy number.

514432161 is a `hidden beast` number, since 5 + 1 + 443 + 216 + 1 = 666.

It is not a de Polignac number, because 514432161 - 2² = 514432157 is a prime.

It is a super-2 number, since 2×514432161² = 529280896542259842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (514432861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313435 + ... + 315071.

It is an arithmetic number, because the mean of its divisors is an integer number (24275160).

Almost surely, 2^514432161 is an apocalyptic number.

It is an amenable number.

514432161 is a deficient number, since it is larger than the sum of its proper divisors (262372959).

514432161 is a wasteful number, since it uses less digits than its factorization.

514432161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862 (or 1856 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 514432161 is about 22681.0969972795. The cubic root of 514432161 is about 801.2647499765.

Adding to 514432161 its reverse (161234415), we get a palindrome (675666576).

The spelling of 514432161 in words is "five hundred fourteen million, four hundred thirty-two thousand, one hundred sixty-one".