531325520434 has 8 divisors (see below), whose sum is σ = 797050676268. Its totient is φ = 265641961680.

The previous prime is 531325520423. The next prime is 531325520461. The reversal of 531325520434 is 434025523135.

It can be written as a sum of positive squares in 2 ways, for example, as 501256920025 + 30068600409 = 707995^2 + 173403^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 531325520393 and 531325520402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10367317 + ... + 10418440.

Almost surely, 2^531325520434 is an apocalyptic number.

531325520434 is a deficient number, since it is larger than the sum of its proper divisors (265725155834).

531325520434 is a wasteful number, since it uses less digits than its factorization.

531325520434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20798540.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 531325520434 in words is "five hundred thirty-one billion, three hundred twenty-five million, five hundred twenty thousand, four hundred thirty-four".