52613405 has 8 divisors (see below), whose sum is σ = 67992792. Its totient is φ = 38852928.

The previous prime is 52613389. The next prime is 52613423. The reversal of 52613405 is 50431625.

It can be written as a sum of positive squares in 4 ways, for example, as 8231161 + 44382244 = 2869^2 + 6662^2 .

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 52613405 - 2⁴ = 52613389 is a prime.

It is a Duffinian number.

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, 404654 + ... + 404783.

It is an arithmetic number, because the mean of its divisors is an integer number (8499099).

Almost surely, 2^52613405 is an apocalyptic number.

It is an amenable number.

52613405 is a deficient number, since it is larger than the sum of its proper divisors (15379387).

52613405 is a wasteful number, since it uses less digits than its factorization.

52613405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809455.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 52613405 is about 7253.5098400705. The cubic root of 52613405 is about 374.7130367579.

It can be divided in two parts, 526 and 13405, that added together give a palindrome (13931).

The spelling of 52613405 in words is "fifty-two million, six hundred thirteen thousand, four hundred five".