531153253 has 4 divisors (see below), whose sum is σ = 562397580. Its totient is φ = 499908928.

The previous prime is 531153239. The next prime is 531153269. The reversal of 531153253 is 352351135.

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

It can be written as a sum of positive squares in 2 ways, for example, as 271524484 + 259628769 = 16478^2 + 16113^2 .

It is a cyclic number.

It is not a de Polignac number, because 531153253 - 2¹⁷ = 531022181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531150253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15622138 + ... + 15622171.

It is an arithmetic number, because the mean of its divisors is an integer number (140599395).

Almost surely, 2^531153253 is an apocalyptic number.

It is an amenable number.

531153253 is a deficient number, since it is larger than the sum of its proper divisors (31244327).

531153253 is a wasteful number, since it uses less digits than its factorization.

531153253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31244326.

The product of its digits is 6750, while the sum is 28.

The square root of 531153253 is about 23046.7623105720. The cubic root of 531153253 is about 809.8537829859.

It can be divided in two parts, 5311 and 53253, that added together give a square (58564 = 242²).

The spelling of 531153253 in words is "five hundred thirty-one million, one hundred fifty-three thousand, two hundred fifty-three".