39252505 has 8 divisors (see below), whose sum is σ = 47589192. Its totient is φ = 31077888.

The previous prime is 39252503. The next prime is 39252509. The reversal of 39252505 is 50525293.

39252505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2322576 + 36929929 = 1524^2 + 6077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39252505 - 2¹ = 39252503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39252503) 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 7 ways as a sum of consecutive naturals, for example, 39982 + ... + 40951.

It is an arithmetic number, because the mean of its divisors is an integer number (5948649).

Almost surely, 2^39252505 is an apocalyptic number.

It is an amenable number.

39252505 is a deficient number, since it is larger than the sum of its proper divisors (8336687).

39252505 is an equidigital number, since it uses as much as digits as its factorization.

39252505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81035.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 39252505 is about 6265.1819606457. The cubic root of 39252505 is about 339.8514489461.

Adding to 39252505 its reverse (50525293), we get a palindrome (89777798).

The spelling of 39252505 in words is "thirty-nine million, two hundred fifty-two thousand, five hundred five".