461642611 has 4 divisors (see below), whose sum is σ = 464221800. Its totient is φ = 459063424.

The previous prime is 461642603. The next prime is 461642617. The reversal of 461642611 is 116246164.

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 461642611 - 2³ = 461642603 is a prime.

It is a super-2 number, since 2×461642611² = 426227800581794642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461642617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289326 + ... + 1289683.

It is an arithmetic number, because the mean of its divisors is an integer number (116055450).

Almost surely, 2^461642611 is an apocalyptic number.

461642611 is a deficient number, since it is larger than the sum of its proper divisors (2579189).

461642611 is a wasteful number, since it uses less digits than its factorization.

461642611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579188.

The product of its digits is 6912, while the sum is 31.

The square root of 461642611 is about 21485.8700312554. The cubic root of 461642611 is about 772.8620149812.

Adding to 461642611 its reverse (116246164), we get a palindrome (577888775).

The spelling of 461642611 in words is "four hundred sixty-one million, six hundred forty-two thousand, six hundred eleven".