463261521 has 4 divisors (see below), whose sum is σ = 617682032. Its totient is φ = 308841012.

The previous prime is 463261483. The next prime is 463261549. The reversal of 463261521 is 125162364.

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 not a de Polignac number, because 463261521 - 2¹¹ = 463259473 is a prime.

It is a super-2 number, since 2×463261521² = 429222473678466882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463241521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77210251 + ... + 77210256.

It is an arithmetic number, because the mean of its divisors is an integer number (154420508).

Almost surely, 2^463261521 is an apocalyptic number.

It is an amenable number.

463261521 is a deficient number, since it is larger than the sum of its proper divisors (154420511).

463261521 is a wasteful number, since it uses less digits than its factorization.

463261521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154420510.

The product of its digits is 8640, while the sum is 30.

The square root of 463261521 is about 21523.5108892578. The cubic root of 463261521 is about 773.7643972395.

The spelling of 463261521 in words is "four hundred sixty-three million, two hundred sixty-one thousand, five hundred twenty-one".