525144244 has 6 divisors (see below), whose sum is σ = 919002434. Its totient is φ = 262572120.

The previous prime is 525144241. The next prime is 525144253. The reversal of 525144244 is 442441525.

It can be written as a sum of positive squares in only one way, i.e., 448931344 + 76212900 = 21188^2 + 8730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525144241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65643027 + ... + 65643034.

Almost surely, 2^525144244 is an apocalyptic number.

It is an amenable number.

525144244 is a deficient number, since it is larger than the sum of its proper divisors (393858190).

525144244 is a wasteful number, since it uses less digits than its factorization.

525144244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131286065 (or 131286063 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 525144244 is about 22916.0259207394. The cubic root of 525144244 is about 806.7881979618.

Adding to 525144244 its reverse (442441525), we get a palindrome (967585769).

The spelling of 525144244 in words is "five hundred twenty-five million, one hundred forty-four thousand, two hundred forty-four".