325135400 has 24 divisors (see below), whose sum is σ = 755940270. Its totient is φ = 130054080.

The previous prime is 325135397. The next prime is 325135439. The reversal of 325135400 is 4531523.

It can be written as a sum of positive squares in 3 ways, for example, as 314494756 + 10640644 = 17734^2 + 3262^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 812639 + ... + 813038.

Almost surely, 2^325135400 is an apocalyptic number.

It is an amenable number.

325135400 is an abundant number, since it is smaller than the sum of its proper divisors (430804870).

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

325135400 is a wasteful number, since it uses less digits than its factorization.

325135400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625693 (or 1625684 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 325135400 is about 18031.5113065988. The cubic root of 325135400 is about 687.6298994216.

Adding to 325135400 its reverse (4531523), we get a palindrome (329666923).

The spelling of 325135400 in words is "three hundred twenty-five million, one hundred thirty-five thousand, four hundred".