52825442 has 4 divisors (see below), whose sum is σ = 79238166. Its totient is φ = 26412720.

The previous prime is 52825441. The next prime is 52825459. The reversal of 52825442 is 24452825.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28313041 + 24512401 = 5321^2 + 4951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52825399 and 52825408.

It is not an unprimeable number, because it can be changed into a prime (52825441) 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 as a sum of consecutive naturals, namely, 13206359 + ... + 13206362.

Almost surely, 2^52825442 is an apocalyptic number.

52825442 is a deficient number, since it is larger than the sum of its proper divisors (26412724).

52825442 is a wasteful number, since it uses less digits than its factorization.

52825442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26412723.

The product of its digits is 25600, while the sum is 32.

The square root of 52825442 is about 7268.1113089991. Note that the first 3 decimals coincide. The cubic root of 52825442 is about 375.2157383799.

The spelling of 52825442 in words is "fifty-two million, eight hundred twenty-five thousand, four hundred forty-two".