52400425 has 48 divisors (see below), whose sum is σ = 81994752. Its totient is φ = 32270400.

The previous prime is 52400401. The next prime is 52400431.

52400425 is nontrivially palindromic in base 10.

52400425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52400425 - 2¹¹ = 52398377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52400396 and 52400405.

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 47 ways as a sum of consecutive naturals, for example, 313692 + ... + 313858.

It is an arithmetic number, because the mean of its divisors is an integer number (1708224).

Almost surely, 2^52400425 is an apocalyptic number.

52400425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52400425 is a deficient number, since it is larger than the sum of its proper divisors (29594327).

52400425 is a wasteful number, since it uses less digits than its factorization.

52400425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 353 counting only the distinct ones).

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

The square root of 52400425 is about 7238.8137840395. The cubic root of 52400425 is about 374.2067379589.

It can be divided in two parts, 52400 and 425, that added together give a palindrome (52825).

The spelling of 52400425 in words is "fifty-two million, four hundred thousand, four hundred twenty-five".