39252805 has 8 divisors (see below), whose sum is σ = 48727800. Its totient is φ = 30319296.

The previous prime is 39252793. The next prime is 39252833. The reversal of 39252805 is 50825293.

It can be written as a sum of positive squares in 4 ways, for example, as 9941409 + 29311396 = 3153^2 + 5414^2 .

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 39252805 - 2¹³ = 39244613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135210 + ... + 135499.

It is an arithmetic number, because the mean of its divisors is an integer number (6090975).

Almost surely, 2^39252805 is an apocalyptic number.

It is an amenable number.

39252805 is a deficient number, since it is larger than the sum of its proper divisors (9474995).

39252805 is a wasteful number, since it uses less digits than its factorization.

39252805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270743.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 39252805 is about 6265.2059024425. The cubic root of 39252805 is about 339.8523147522.

The spelling of 39252805 in words is "thirty-nine million, two hundred fifty-two thousand, eight hundred five".