52426405 has 8 divisors (see below), whose sum is σ = 63140472. Its totient is φ = 41788608.

The previous prime is 52426399. The next prime is 52426421. The reversal of 52426405 is 50462425.

It can be written as a sum of positive squares in 4 ways, for example, as 2427364 + 49999041 = 1558^2 + 7071^2 .

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 52426405 - 2¹⁵ = 52393637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17542 + ... + 20311.

It is an arithmetic number, because the mean of its divisors is an integer number (7892559).

Almost surely, 2^52426405 is an apocalyptic number.

It is an amenable number.

52426405 is a deficient number, since it is larger than the sum of its proper divisors (10714067).

52426405 is a wasteful number, since it uses less digits than its factorization.

52426405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38135.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 52426405 is about 7240.6080545766. The cubic root of 52426405 is about 374.2685713302.

The spelling of 52426405 in words is "fifty-two million, four hundred twenty-six thousand, four hundred five".