325121445 has 160 divisors (see below), whose sum is σ = 702535680. Its totient is φ = 141989760.

The previous prime is 325121411. The next prime is 325121449. The reversal of 325121445 is 544121523.

325121445 is a `hidden beast` number, since 3 + 2 + 512 + 144 + 5 = 666.

It is not a de Polignac number, because 325121445 - 2⁷ = 325121317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325121449) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1946752 + ... + 1946918.

It is an arithmetic number, because the mean of its divisors is an integer number (4390848).

Almost surely, 2^325121445 is an apocalyptic number.

It is an amenable number.

325121445 is an abundant number, since it is smaller than the sum of its proper divisors (377414235).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325121445 is a wasteful number, since it uses less digits than its factorization.

325121445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 228 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 325121445 is about 18031.1243409833. The cubic root of 325121445 is about 687.6200614561.

Adding to 325121445 its reverse (544121523), we get a palindrome (869242968).

The spelling of 325121445 in words is "three hundred twenty-five million, one hundred twenty-one thousand, four hundred forty-five".