325444261 has 4 divisors (see below), whose sum is σ = 325713772. Its totient is φ = 325174752.

The previous prime is 325444241. The next prime is 325444271. The reversal of 325444261 is 162444523.

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 135280161 + 190164100 = 11631^2 + 13790^2 .

It is a cyclic number.

It is not a de Polignac number, because 325444261 - 2¹¹ = 325442213 is a prime.

It is a super-2 number, since 2×325444261² = 211827934035672242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325444241) 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, 132936 + ... + 135361.

It is an arithmetic number, because the mean of its divisors is an integer number (81428443).

Almost surely, 2^325444261 is an apocalyptic number.

It is an amenable number.

325444261 is a deficient number, since it is larger than the sum of its proper divisors (269511).

325444261 is a wasteful number, since it uses less digits than its factorization.

325444261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269510.

The product of its digits is 23040, while the sum is 31.

The square root of 325444261 is about 18040.0737526209. The cubic root of 325444261 is about 687.8475675514.

Adding to 325444261 its reverse (162444523), we get a palindrome (487888784).

The spelling of 325444261 in words is "three hundred twenty-five million, four hundred forty-four thousand, two hundred sixty-one".