465661601 has 4 divisors (see below), whose sum is σ = 466119600. Its totient is φ = 465203604.

The previous prime is 465661589. The next prime is 465661607. The reversal of 465661601 is 106166564.

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 not a de Polignac number, because 465661601 - 2²² = 461467297 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 (465661607) 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, 227471 + ... + 229508.

It is an arithmetic number, because the mean of its divisors is an integer number (116529900).

Almost surely, 2^465661601 is an apocalyptic number.

It is an amenable number.

465661601 is a deficient number, since it is larger than the sum of its proper divisors (457999).

465661601 is a wasteful number, since it uses less digits than its factorization.

465661601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457998.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 465661601 is about 21579.1937059752. The cubic root of 465661601 is about 775.0983439543.

The spelling of 465661601 in words is "four hundred sixty-five million, six hundred sixty-one thousand, six hundred one".