325116215 has 4 divisors (see below), whose sum is σ = 390139464. Its totient is φ = 260092968.

The previous prime is 325116203. The next prime is 325116217. The reversal of 325116215 is 512611523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 325116215 - 2²² = 320921911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325116217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32511617 + ... + 32511626.

It is an arithmetic number, because the mean of its divisors is an integer number (97534866).

Almost surely, 2^325116215 is an apocalyptic number.

325116215 is a deficient number, since it is larger than the sum of its proper divisors (65023249).

325116215 is an equidigital number, since it uses as much as digits as its factorization.

325116215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65023248.

The product of its digits is 1800, while the sum is 26.

The square root of 325116215 is about 18030.9793133928. The cubic root of 325116215 is about 687.6163743496.

Adding to 325116215 its reverse (512611523), we get a palindrome (837727738).

The spelling of 325116215 in words is "three hundred twenty-five million, one hundred sixteen thousand, two hundred fifteen".