463261561 has 8 divisors (see below), whose sum is σ = 552461184. Its totient is φ = 379816800.

The previous prime is 463261559. The next prime is 463261619. The reversal of 463261561 is 165162364.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 463261561 - 2¹ = 463261559 is a prime.

It is a super-2 number, since 2×463261561² = 429222547800313442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463261361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438540 + ... + 1438861.

It is an arithmetic number, because the mean of its divisors is an integer number (69057648).

Almost surely, 2^463261561 is an apocalyptic number.

It is an amenable number.

463261561 is a deficient number, since it is larger than the sum of its proper divisors (89199623).

463261561 is a wasteful number, since it uses less digits than its factorization.

463261561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877431.

The product of its digits is 25920, while the sum is 34.

The square root of 463261561 is about 21523.5118184742. The cubic root of 463261561 is about 773.7644195096.

The spelling of 463261561 in words is "four hundred sixty-three million, two hundred sixty-one thousand, five hundred sixty-one".