463684261 has 2 divisors, whose sum is σ = 463684262. Its totient is φ = 463684260.

The previous prime is 463684253. The next prime is 463684297. The reversal of 463684261 is 162486364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420045025 + 43639236 = 20495^2 + 6606^2 .

It is a cyclic number.

It is not a de Polignac number, because 463684261 - 2³ = 463684253 is a prime.

It is a super-2 number, since 2×463684261² = 430006187798232242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463684201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231842130 + 231842131.

It is an arithmetic number, because the mean of its divisors is an integer number (231842131).

Almost surely, 2^463684261 is an apocalyptic number.

It is an amenable number.

463684261 is a deficient number, since it is larger than the sum of its proper divisors (1).

463684261 is an equidigital number, since it uses as much as digits as its factorization.

463684261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 463684261 is about 21533.3290737870. The cubic root of 463684261 is about 773.9996867397. Note that the first 3 decimals are identical.

The spelling of 463684261 in words is "four hundred sixty-three million, six hundred eighty-four thousand, two hundred sixty-one".