675531071525 has 6 divisors (see below), whose sum is σ = 837658528722. Its totient is φ = 540424857200.

The previous prime is 675531071513. The next prime is 675531071531. The reversal of 675531071525 is 525170135576.

It can be written as a sum of positive squares in 3 ways, for example, as 44234081761 + 631296989764 = 210319^2 + 794542^2 .

It is not a de Polignac number, because 675531071525 - 2¹⁸ = 675530809381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 675531071525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13510621406 + ... + 13510621455.

It is an arithmetic number, because the mean of its divisors is an integer number (139609754787).

Almost surely, 2^675531071525 is an apocalyptic number.

It is an amenable number.

675531071525 is a deficient number, since it is larger than the sum of its proper divisors (162127457197).

675531071525 is a wasteful number, since it uses less digits than its factorization.

675531071525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27021242871 (or 27021242866 counting only the distinct ones).

The product of its (nonzero) digits is 1102500, while the sum is 47.

The spelling of 675531071525 in words is "six hundred seventy-five billion, five hundred thirty-one million, seventy-one thousand, five hundred twenty-five".