52040245 has 4 divisors (see below), whose sum is σ = 62448300. Its totient is φ = 41632192.

The previous prime is 52040201. The next prime is 52040269. The reversal of 52040245 is 54204025.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37970244 + 14070001 = 6162^2 + 3751^2 .

It is a cyclic number.

It is not a de Polignac number, because 52040245 - 2⁹ = 52039733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5204020 + ... + 5204029.

It is an arithmetic number, because the mean of its divisors is an integer number (15612075).

Almost surely, 2^52040245 is an apocalyptic number.

It is an amenable number.

52040245 is a deficient number, since it is larger than the sum of its proper divisors (10408055).

52040245 is a wasteful number, since it uses less digits than its factorization.

52040245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10408054.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 52040245 is about 7213.8924998921. The cubic root of 52040245 is about 373.3473824610.

The spelling of 52040245 in words is "fifty-two million, forty thousand, two hundred forty-five".