431061563 has 8 divisors (see below), whose sum is σ = 439153440. Its totient is φ = 423002880.

The previous prime is 431061557. The next prime is 431061613. The reversal of 431061563 is 365160134.

It is a happy number.

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 431061563 - 2¹⁴ = 431045179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431061523) 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 7 ways as a sum of consecutive naturals, for example, 18731 + ... + 34827.

It is an arithmetic number, because the mean of its divisors is an integer number (54894180).

Almost surely, 2^431061563 is an apocalyptic number.

431061563 is a deficient number, since it is larger than the sum of its proper divisors (8091877).

431061563 is a wasteful number, since it uses less digits than its factorization.

431061563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16597.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 431061563 is about 20762.0221317674. The cubic root of 431061563 is about 755.4048458108.

The spelling of 431061563 in words is "four hundred thirty-one million, sixty-one thousand, five hundred sixty-three".