531245453013 has 16 divisors (see below), whose sum is σ = 858578510400. Its totient is φ = 321966941040.

The previous prime is 531245453003. The next prime is 531245453077. The reversal of 531245453013 is 310354542135.

531245453013 is a `hidden beast` number, since 53 + 1 + 24 + 54 + 530 + 1 + 3 = 666.

It is not a de Polignac number, because 531245453013 - 2¹⁸ = 531245190869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531245453003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894352318 + ... + 894352911.

It is an arithmetic number, because the mean of its divisors is an integer number (53661156900).

Almost surely, 2^531245453013 is an apocalyptic number.

It is an amenable number.

531245453013 is a deficient number, since it is larger than the sum of its proper divisors (327333057387).

531245453013 is a wasteful number, since it uses less digits than its factorization.

531245453013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788705249 (or 1788705243 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 531245453013 its reverse (310354542135), we get a palindrome (841599995148).

The spelling of 531245453013 in words is "five hundred thirty-one billion, two hundred forty-five million, four hundred fifty-three thousand, thirteen".