325406550 has 72 divisors (see below), whose sum is σ = 938785896. Its totient is φ = 74376960.

The previous prime is 325406539. The next prime is 325406551. The reversal of 325406550 is 55604523.

325406550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325406551) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14787 + ... + 29486.

It is an arithmetic number, because the mean of its divisors is an integer number (13038693).

Almost surely, 2^325406550 is an apocalyptic number.

325406550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

325406550 is an abundant number, since it is smaller than the sum of its proper divisors (613379346).

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

325406550 is a wasteful number, since it uses less digits than its factorization.

325406550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44302 (or 44290 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 325406550 is about 18039.0285215141. The cubic root of 325406550 is about 687.8209983098.

The spelling of 325406550 in words is "three hundred twenty-five million, four hundred six thousand, five hundred fifty".