463261531 has 4 divisors (see below), whose sum is σ = 464524192. Its totient is φ = 461998872.

The previous prime is 463261483. The next prime is 463261549. The reversal of 463261531 is 135162364.

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

It is a cyclic number.

It is not a de Polignac number, because 463261531 - 2¹⁹ = 462737243 is a prime.

It is a super-2 number, since 2×463261531² = 429222492208927922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 463261493 and 463261502.

It is not an unprimeable number, because it can be changed into a prime (463261031) 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 3 ways as a sum of consecutive naturals, for example, 630780 + ... + 631513.

It is an arithmetic number, because the mean of its divisors is an integer number (116131048).

Almost surely, 2^463261531 is an apocalyptic number.

463261531 is a deficient number, since it is larger than the sum of its proper divisors (1262661).

463261531 is a wasteful number, since it uses less digits than its factorization.

463261531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262660.

The product of its digits is 12960, while the sum is 31.

The square root of 463261531 is about 21523.5111215619. The cubic root of 463261531 is about 773.7644028070.

The spelling of 463261531 in words is "four hundred sixty-three million, two hundred sixty-one thousand, five hundred thirty-one".