325731900 has 180 divisors, whose sum is σ = 1078380632. Its totient is φ = 75463680.

The previous prime is 325731881. The next prime is 325731919. The reversal of 325731900 is 9137523.

325731900 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (325731881) and next prime (325731919).

It is a super-2 number, since 2×325731900² = 212202541355220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

325731900 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19160692 + ... + 19160708.

Almost surely, 2^325731900 is an apocalyptic number.

325731900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325731900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539190316).

325731900 is an abundant number, since it is smaller than the sum of its proper divisors (752648732).

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

325731900 is a wasteful number, since it uses less digits than its factorization.

325731900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 325731900 is about 18048.0442153714. The cubic root of 325731900 is about 688.0501557765.

The spelling of 325731900 in words is "three hundred twenty-five million, seven hundred thirty-one thousand, nine hundred".