431300561 has 8 divisors (see below), whose sum is σ = 445804800. Its totient is φ = 417036240.

The previous prime is 431300549. The next prime is 431300563. The reversal of 431300561 is 165003134.

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 431300561 - 2¹⁴ = 431284177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431300563) 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, 56321 + ... + 63518.

It is an arithmetic number, because the mean of its divisors is an integer number (55725600).

Almost surely, 2^431300561 is an apocalyptic number.

It is an amenable number.

431300561 is a deficient number, since it is larger than the sum of its proper divisors (14504239).

431300561 is a wasteful number, since it uses less digits than its factorization.

431300561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119959.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 431300561 is about 20767.7769874390. The cubic root of 431300561 is about 755.5444290373.

Adding to 431300561 its reverse (165003134), we get a palindrome (596303695).

The spelling of 431300561 in words is "four hundred thirty-one million, three hundred thousand, five hundred sixty-one".