461521132 has 6 divisors (see below), whose sum is σ = 807661988. Its totient is φ = 230760564.

The previous prime is 461521103. The next prime is 461521157. The reversal of 461521132 is 231125164.

It is a happy number.

It is a super-2 number, since 2×461521132² = 426003510565122848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 461521097 and 461521106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57690138 + ... + 57690145.

Almost surely, 2^461521132 is an apocalyptic number.

It is an amenable number.

461521132 is a deficient number, since it is larger than the sum of its proper divisors (346140856).

461521132 is a wasteful number, since it uses less digits than its factorization.

461521132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115380287 (or 115380285 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 461521132 is about 21483.0428943388. The cubic root of 461521132 is about 772.7942174116.

Adding to 461521132 its reverse (231125164), we get a palindrome (692646296).

The spelling of 461521132 in words is "four hundred sixty-one million, five hundred twenty-one thousand, one hundred thirty-two".