430961 has 4 divisors (see below), whose sum is σ = 433524. Its totient is φ = 428400.

The previous prime is 430957. The next prime is 430979. The reversal of 430961 is 169034.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1936 + 429025 = 44^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 430961 - 2² = 430957 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (430921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (108381).

2⁴³⁰⁹⁶¹ is an apocalyptic number.

It is an amenable number.

430961 is a deficient number, since it is larger than the sum of its proper divisors (2563).

430961 is a wasteful number, since it uses less digits than its factorization.

430961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 430961 is about 656.4761991116. The cubic root of 430961 is about 75.5346098065.

Adding to 430961 its reverse (169034), we get a palindrome (599995).

The spelling of 430961 in words is "four hundred thirty thousand, nine hundred sixty-one".