461625761 has 4 divisors (see below), whose sum is σ = 464294292. Its totient is φ = 458957232.

The previous prime is 461625733. The next prime is 461625797. The reversal of 461625761 is 167526164.

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

It can be written as a sum of positive squares in 2 ways, for example, as 404774161 + 56851600 = 20119^2 + 7540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461625761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461625721) 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, 1334006 + ... + 1334351.

It is an arithmetic number, because the mean of its divisors is an integer number (116073573).

Almost surely, 2^461625761 is an apocalyptic number.

It is an amenable number.

461625761 is a deficient number, since it is larger than the sum of its proper divisors (2668531).

461625761 is a wasteful number, since it uses less digits than its factorization.

461625761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668530.

The product of its digits is 60480, while the sum is 38.

The square root of 461625761 is about 21485.4779095090. The cubic root of 461625761 is about 772.8526116874.

The spelling of 461625761 in words is "four hundred sixty-one million, six hundred twenty-five thousand, seven hundred sixty-one".