52280425 has 12 divisors (see below), whose sum is σ = 64998940. Its totient is φ = 41713920.

The previous prime is 52280413. The next prime is 52280429. The reversal of 52280425 is 52408225.

52280425 is a nontrivial binomial coefficient, being equal to C(10226, 2).

It can be written as a sum of positive squares in 6 ways, for example, as 2985984 + 49294441 = 1728^2 + 7021^2 .

It is not a de Polignac number, because 52280425 - 2¹¹ = 52278377 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52280393 and 52280402.

It is not an unprimeable number, because it can be changed into a prime (52280429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7669 + ... + 12781.

Almost surely, 2^52280425 is an apocalyptic number.

52280425 is the 10225-th triangular number and also the 5113-rd hexagonal number.

52280425 is the 3409-th centered nonagonal number.

It is an amenable number.

52280425 is a deficient number, since it is larger than the sum of its proper divisors (12718515).

52280425 is a wasteful number, since it uses less digits than its factorization.

52280425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5527 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 52280425 is about 7230.5203823791. The cubic root of 52280425 is about 373.9208679465.

The spelling of 52280425 in words is "fifty-two million, two hundred eighty thousand, four hundred twenty-five".