531600253 has 2 divisors, whose sum is σ = 531600254. Its totient is φ = 531600252.

The previous prime is 531600239. The next prime is 531600317. The reversal of 531600253 is 352006135.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525234724 + 6365529 = 22918^2 + 2523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531600253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531600203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265800126 + 265800127.

It is an arithmetic number, because the mean of its divisors is an integer number (265800127).

Almost surely, 2^531600253 is an apocalyptic number.

It is an amenable number.

531600253 is a deficient number, since it is larger than the sum of its proper divisors (1).

531600253 is an equidigital number, since it uses as much as digits as its factorization.

531600253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 531600253 is about 23056.4579456603. The cubic root of 531600253 is about 810.0809008257.

Adding to 531600253 its reverse (352006135), we get a palindrome (883606388).

The spelling of 531600253 in words is "five hundred thirty-one million, six hundred thousand, two hundred fifty-three".