325621152252 has 192 divisors, whose sum is σ = 935955578880. Its totient is φ = 97071307200.

The previous prime is 325621152179. The next prime is 325621152257. The reversal of 325621152252 is 252251126523.

325621152252 is a `hidden beast` number, since 3 + 2 + 5 + 621 + 1 + 5 + 2 + 25 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325621152257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41073513 + ... + 41081439.

It is an arithmetic number, because the mean of its divisors is an integer number (4874768640).

Almost surely, 2^325621152252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325621152252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467977789440).

325621152252 is an abundant number, since it is smaller than the sum of its proper divisors (610334426628).

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

325621152252 is a wasteful number, since it uses less digits than its factorization.

325621152252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509 (or 8501 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 325621152252 its reverse (252251126523), we get a palindrome (577872278775).

The spelling of 325621152252 in words is "three hundred twenty-five billion, six hundred twenty-one million, one hundred fifty-two thousand, two hundred fifty-two".