52405012 has 24 divisors (see below), whose sum is σ = 100265760. Its totient is φ = 23768160.

The previous prime is 52405009. The next prime is 52405027. The reversal of 52405012 is 21050425.

52405012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24814 + ... + 26842.

It is an arithmetic number, because the mean of its divisors is an integer number (4177740).

Almost surely, 2^52405012 is an apocalyptic number.

It is an amenable number.

52405012 is a deficient number, since it is larger than the sum of its proper divisors (47860748).

52405012 is a wasteful number, since it uses less digits than its factorization.

52405012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631 (or 2629 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 52405012 is about 7239.1306107847. The cubic root of 52405012 is about 374.2176566759.

Adding to 52405012 its reverse (21050425), we get a palindrome (73455437).

The spelling of 52405012 in words is "fifty-two million, four hundred five thousand, twelve".