325500061 has 2 divisors, whose sum is σ = 325500062. Its totient is φ = 325500060.

The previous prime is 325500041. The next prime is 325500113. The reversal of 325500061 is 160005523.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236575161 + 88924900 = 15381^2 + 9430^2 .

It is an emirp because it is prime and its reverse (160005523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325500061 - 2⁹ = 325499549 is a prime.

It is a super-2 number, since 2×325500061² = 211900579422007442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325500041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162750030 + 162750031.

It is an arithmetic number, because the mean of its divisors is an integer number (162750031).

Almost surely, 2^325500061 is an apocalyptic number.

It is an amenable number.

325500061 is a deficient number, since it is larger than the sum of its proper divisors (1).

325500061 is an equidigital number, since it uses as much as digits as its factorization.

325500061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 325500061 is about 18041.6202432043. The cubic root of 325500061 is about 687.8868776120.

Adding to 325500061 its reverse (160005523), we get a palindrome (485505584).

The spelling of 325500061 in words is "three hundred twenty-five million, five hundred thousand, sixty-one".