325021340 has 48 divisors (see below), whose sum is σ = 781099200. Its totient is φ = 111286272.

The previous prime is 325021339. The next prime is 325021343. The reversal of 325021340 is 43120523.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325021343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171116 + ... + 173004.

It is an arithmetic number, because the mean of its divisors is an integer number (16272900).

Almost surely, 2^325021340 is an apocalyptic number.

It is an amenable number.

325021340 is an abundant number, since it is smaller than the sum of its proper divisors (456077860).

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

325021340 is a wasteful number, since it uses less digits than its factorization.

325021340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134 (or 3132 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 325021340 is about 18028.3482327139. The cubic root of 325021340 is about 687.5494813973.

Adding to 325021340 its reverse (43120523), we get a palindrome (368141863).

The spelling of 325021340 in words is "three hundred twenty-five million, twenty-one thousand, three hundred forty".