325431500 has 24 divisors (see below), whose sum is σ = 710743488. Its totient is φ = 130172400.

The previous prime is 325431499. The next prime is 325431541. The reversal of 325431500 is 5134523.

325431500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×325431500² = 211811322384500000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324932 + ... + 325931.

It is an arithmetic number, because the mean of its divisors is an integer number (29614312).

Almost surely, 2^325431500 is an apocalyptic number.

It is an amenable number.

325431500 is an abundant number, since it is smaller than the sum of its proper divisors (385311988).

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

325431500 is a wasteful number, since it uses less digits than its factorization.

325431500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650882 (or 650870 counting only the distinct ones).

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

The square root of 325431500 is about 18039.7200643469. The cubic root of 325431500 is about 687.8385770333.

It can be divided in two parts, 32543 and 1500, that added together give a palindrome (34043).

The spelling of 325431500 in words is "three hundred twenty-five million, four hundred thirty-one thousand, five hundred".