252326505 has 24 divisors (see below), whose sum is σ = 413850816. Its totient is φ = 131278720.

The previous prime is 252326483. The next prime is 252326509. The reversal of 252326505 is 505623252.

It is not a de Polignac number, because 252326505 - 2⁹ = 252325993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252326509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20212 + ... + 30218.

It is an arithmetic number, because the mean of its divisors is an integer number (17243784).

Almost surely, 2^252326505 is an apocalyptic number.

It is an amenable number.

252326505 is a deficient number, since it is larger than the sum of its proper divisors (161524311).

252326505 is a wasteful number, since it uses less digits than its factorization.

252326505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097 (or 10056 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 252326505 is about 15884.7884782895. The cubic root of 252326505 is about 631.9086360811.

Adding to 252326505 its reverse (505623252), we get a palindrome (757949757).

The spelling of 252326505 in words is "two hundred fifty-two million, three hundred twenty-six thousand, five hundred five".