52426403 has 4 divisors (see below), whose sum is σ = 54234240. Its totient is φ = 50618568.

The previous prime is 52426399. The next prime is 52426421. The reversal of 52426403 is 30462425.

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

It is a cyclic number.

It is not a de Polignac number, because 52426403 - 2² = 52426399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52426433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 903875 + ... + 903932.

It is an arithmetic number, because the mean of its divisors is an integer number (13558560).

Almost surely, 2^52426403 is an apocalyptic number.

52426403 is a deficient number, since it is larger than the sum of its proper divisors (1807837).

52426403 is a wasteful number, since it uses less digits than its factorization.

52426403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807836.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 52426403 is about 7240.6079164667. The cubic root of 52426403 is about 374.2685665709.

Adding to 52426403 its reverse (30462425), we get a palindrome (82888828).

The spelling of 52426403 in words is "fifty-two million, four hundred twenty-six thousand, four hundred three".