52617425 has 18 divisors (see below), whose sum is σ = 75899718. Its totient is φ = 36079680.

The previous prime is 52617419. The next prime is 52617427. The reversal of 52617425 is 52471625.

It can be written as a sum of positive squares in 3 ways, for example, as 25921 + 52591504 = 161^2 + 7252^2 .

It is not a de Polignac number, because 52617425 - 2⁶ = 52617361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52617391 and 52617400.

It is not an unprimeable number, because it can be changed into a prime (52617427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20252 + ... + 22701.

It is an arithmetic number, because the mean of its divisors is an integer number (4216651).

Almost surely, 2^52617425 is an apocalyptic number.

It is an amenable number.

52617425 is a deficient number, since it is larger than the sum of its proper divisors (23282293).

52617425 is a wasteful number, since it uses less digits than its factorization.

52617425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42977 (or 42965 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 52617425 is about 7253.7869420048. The cubic root of 52617425 is about 374.7225800042.

Subtracting from 52617425 its product of digits (16800), we obtain a palindrome (52600625).

The spelling of 52617425 in words is "fifty-two million, six hundred seventeen thousand, four hundred twenty-five".