531405115253 has 8 divisors (see below), whose sum is σ = 533467020000. Its totient is φ = 529344507888.

The previous prime is 531405115223. The next prime is 531405115261. The reversal of 531405115253 is 352511504135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531405115253 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 (531405115223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500498 + ... + 1145996.

It is an arithmetic number, because the mean of its divisors is an integer number (66683377500).

Almost surely, 2^531405115253 is an apocalyptic number.

It is an amenable number.

531405115253 is a deficient number, since it is larger than the sum of its proper divisors (2061904747).

531405115253 is a wasteful number, since it uses less digits than its factorization.

531405115253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648691.

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 531405115253 its reverse (352511504135), we get a palindrome (883916619388).

The spelling of 531405115253 in words is "five hundred thirty-one billion, four hundred five million, one hundred fifteen thousand, two hundred fifty-three".