461326309 has 4 divisors (see below), whose sum is σ = 461370060. Its totient is φ = 461282560.

The previous prime is 461326303. The next prime is 461326319. The reversal of 461326309 is 903623164.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 401882209 + 59444100 = 20047^2 + 7710^2 .

It is a cyclic number.

It is not a de Polignac number, because 461326309 - 2¹¹ = 461324261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461326303) 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, 4719 + ... + 30739.

It is an arithmetic number, because the mean of its divisors is an integer number (115342515).

Almost surely, 2^461326309 is an apocalyptic number.

It is an amenable number.

461326309 is a deficient number, since it is larger than the sum of its proper divisors (43751).

461326309 is a wasteful number, since it uses less digits than its factorization.

461326309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43750.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 461326309 is about 21478.5080720240. The cubic root of 461326309 is about 772.6854616274.

It can be divided in two parts, 46132 and 6309, that added together give a square (52441 = 229²).

The spelling of 461326309 in words is "four hundred sixty-one million, three hundred twenty-six thousand, three hundred nine".