52531245 has 24 divisors (see below), whose sum is σ = 98059416. Its totient is φ = 25861248.

The previous prime is 52531189. The next prime is 52531247. The reversal of 52531245 is 54213525.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 84681 + 52446564 = 291^2 + 7242^2 .

It is not a de Polignac number, because 52531245 - 2¹⁶ = 52465709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52531247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44314 + ... + 45483.

It is an arithmetic number, because the mean of its divisors is an integer number (4085809).

Almost surely, 2^52531245 is an apocalyptic number.

It is an amenable number.

52531245 is a deficient number, since it is larger than the sum of its proper divisors (45528171).

52531245 is a wasteful number, since it uses less digits than its factorization.

52531245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89821 (or 89818 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 52531245 is about 7247.8441622320. The cubic root of 52531245 is about 374.5178871114.

The spelling of 52531245 in words is "fifty-two million, five hundred thirty-one thousand, two hundred forty-five".