531435053 has 4 divisors (see below), whose sum is σ = 532619100. Its totient is φ = 530251008.

The previous prime is 531435041. The next prime is 531435083. The reversal of 531435053 is 350534135.

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 224940004 + 306495049 = 14998^2 + 17507^2 .

It is a cyclic number.

It is not a de Polignac number, because 531435053 - 2⁸ = 531434797 is a prime.

It is a super-2 number, since 2×531435053² = 564846431114225618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531435083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591350 + ... + 592247.

It is an arithmetic number, because the mean of its divisors is an integer number (133154775).

Almost surely, 2^531435053 is an apocalyptic number.

It is an amenable number.

531435053 is a deficient number, since it is larger than the sum of its proper divisors (1184047).

531435053 is a wasteful number, since it uses less digits than its factorization.

531435053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184046.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 531435053 is about 23052.8751569083. The cubic root of 531435053 is about 809.9969785997.

Adding to 531435053 its reverse (350534135), we get a palindrome (881969188).

The spelling of 531435053 in words is "five hundred thirty-one million, four hundred thirty-five thousand, fifty-three".