52780325 has 48 divisors (see below), whose sum is σ = 76776336. Its totient is φ = 35635200.

The previous prime is 52780313. The next prime is 52780327. The reversal of 52780325 is 52308725.

52780325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 24 ways, for example, as 51523684 + 1256641 = 7178^2 + 1121^2 .

It is not a de Polignac number, because 52780325 - 2⁸ = 52780069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52780291 and 52780300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780327) by changing a digit.

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, 226409 + ... + 226641.

It is an arithmetic number, because the mean of its divisors is an integer number (1599507).

Almost surely, 2^52780325 is an apocalyptic number.

It is an amenable number.

52780325 is a deficient number, since it is larger than the sum of its proper divisors (23996011).

52780325 is a wasteful number, since it uses less digits than its factorization.

52780325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 309 counting only the distinct ones).

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

The square root of 52780325 is about 7265.0068823092. The cubic root of 52780325 is about 375.1088868985.

It can be divided in two parts, 52 and 780325, that multiplied together give a square (40576900 = 6370²).

The spelling of 52780325 in words is "fifty-two million, seven hundred eighty thousand, three hundred twenty-five".