461450081 has 4 divisors (see below), whose sum is σ = 481513152. Its totient is φ = 441387012.

The previous prime is 461450063. The next prime is 461450141. The reversal of 461450081 is 180054164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461450081 is a prime.

It is a super-2 number, since 2×461450081² = 425872354509813122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461455081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10031501 + ... + 10031546.

It is an arithmetic number, because the mean of its divisors is an integer number (120378288).

Almost surely, 2^461450081 is an apocalyptic number.

It is an amenable number.

461450081 is a deficient number, since it is larger than the sum of its proper divisors (20063071).

461450081 is a wasteful number, since it uses less digits than its factorization.

461450081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20063070.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 461450081 is about 21481.3891776114. The cubic root of 461450081 is about 772.7545582526.

The spelling of 461450081 in words is "four hundred sixty-one million, four hundred fifty thousand, eighty-one".