325217055 has 16 divisors (see below), whose sum is σ = 550956384. Its totient is φ = 163246080.

The previous prime is 325216993. The next prime is 325217093. The reversal of 325217055 is 550712523.

It is not a de Polignac number, because 325217055 - 2⁸ = 325216799 is a prime.

It is a super-2 number, since 2×325217055² = 211532265725746050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637426 + ... + 637935.

It is an arithmetic number, because the mean of its divisors is an integer number (34434774).

Almost surely, 2^325217055 is an apocalyptic number.

325217055 is a deficient number, since it is larger than the sum of its proper divisors (225739329).

325217055 is a wasteful number, since it uses less digits than its factorization.

325217055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275386.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 325217055 is about 18033.7753950747. The cubic root of 325217055 is about 687.6874587438.

Adding to 325217055 its reverse (550712523), we get a palindrome (875929578).

The spelling of 325217055 in words is "three hundred twenty-five million, two hundred seventeen thousand, fifty-five".