531625352505 has 48 divisors (see below), whose sum is σ = 936676042560. Its totient is φ = 257287190784.

The previous prime is 531625352501. The next prime is 531625352539. The reversal of 531625352505 is 505253526135.

It is a happy number.

It is not a de Polignac number, because 531625352505 - 2² = 531625352501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531625352501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1627674 + ... + 1926803.

It is an arithmetic number, because the mean of its divisors is an integer number (19514084220).

Almost surely, 2^531625352505 is an apocalyptic number.

It is an amenable number.

531625352505 is a deficient number, since it is larger than the sum of its proper divisors (405050690055).

531625352505 is a wasteful number, since it uses less digits than its factorization.

531625352505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554570 (or 3554557 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 531625352505 in words is "five hundred thirty-one billion, six hundred twenty-five million, three hundred fifty-two thousand, five hundred five".