325134621 has 16 divisors (see below), whose sum is σ = 550492800. Its totient is φ = 185791104.

The previous prime is 325134617. The next prime is 325134713. The reversal of 325134621 is 126431523.

325134621 is a `hidden beast` number, since 3 + 2 + 5 + 1 + 34 + 621 = 666.

It is not a de Polignac number, because 325134621 - 2² = 325134617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325134421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859956 + ... + 860333.

It is an arithmetic number, because the mean of its divisors is an integer number (34405800).

Almost surely, 2^325134621 is an apocalyptic number.

It is an amenable number.

325134621 is a deficient number, since it is larger than the sum of its proper divisors (225358179).

325134621 is a wasteful number, since it uses less digits than its factorization.

325134621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720305 (or 1720299 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 325134621 is about 18031.4897055124. The cubic root of 325134621 is about 687.6293502513.

The spelling of 325134621 in words is "three hundred twenty-five million, one hundred thirty-four thousand, six hundred twenty-one".