531023053 has 4 divisors (see below), whose sum is σ = 579297888. Its totient is φ = 482748220.

The previous prime is 531023029. The next prime is 531023081. The reversal of 531023053 is 350320135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531023053 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 (531023023) 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, 24137401 + ... + 24137422.

It is an arithmetic number, because the mean of its divisors is an integer number (144824472).

Almost surely, 2^531023053 is an apocalyptic number.

It is an amenable number.

531023053 is a deficient number, since it is larger than the sum of its proper divisors (48274835).

531023053 is a wasteful number, since it uses less digits than its factorization.

531023053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48274834.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 531023053 is about 23043.9374456710. The cubic root of 531023053 is about 809.7876052373.

Adding to 531023053 its reverse (350320135), we get a palindrome (881343188).

The spelling of 531023053 in words is "five hundred thirty-one million, twenty-three thousand, fifty-three".