325621136 has 20 divisors (see below), whose sum is σ = 631767600. Its totient is φ = 162584352.

The previous prime is 325621129. The next prime is 325621147. The reversal of 325621136 is 631126523.

It is a junction number, because it is equal to n+sod(n) for n = 325621099 and 325621108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1946 + ... + 25593.

It is an arithmetic number, because the mean of its divisors is an integer number (31588380).

Almost surely, 2^325621136 is an apocalyptic number.

It is an amenable number.

325621136 is a deficient number, since it is larger than the sum of its proper divisors (306146464).

325621136 is a wasteful number, since it uses less digits than its factorization.

325621136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28286 (or 28280 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 325621136 is about 18044.9753671209. The cubic root of 325621136 is about 687.9721572471.

Adding to 325621136 its reverse (631126523), we get a palindrome (956747659).

The spelling of 325621136 in words is "three hundred twenty-five million, six hundred twenty-one thousand, one hundred thirty-six".