325153530 has 192 divisors, whose sum is σ = 975566592. Its totient is φ = 74511360.

The previous prime is 325153523. The next prime is 325153531. The reversal of 325153530 is 35351523.

325153530 is a `hidden beast` number, since 32 + 51 + 53 + 530 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 325153494 and 325153503.

It is not an unprimeable number, because it can be changed into a prime (325153531) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1156990 + ... + 1157270.

It is an arithmetic number, because the mean of its divisors is an integer number (5081076).

Almost surely, 2^325153530 is an apocalyptic number.

325153530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 325153530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487783296).

325153530 is an abundant number, since it is smaller than the sum of its proper divisors (650413062).

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

325153530 is a wasteful number, since it uses less digits than its factorization.

325153530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 325153530 is about 18032.0140306068. The cubic root of 325153530 is about 687.6426802491.

The spelling of 325153530 in words is "three hundred twenty-five million, one hundred fifty-three thousand, five hundred thirty".