675637231525 has 6 divisors (see below), whose sum is σ = 837790167122. Its totient is φ = 540509785200.

The previous prime is 675637231517. The next prime is 675637231583. The reversal of 675637231525 is 525132736576.

It can be written as a sum of positive squares in 3 ways, for example, as 219847516641 + 455789714884 = 468879^2 + 675122^2 .

It is not a de Polignac number, because 675637231525 - 2³ = 675637231517 is a prime.

It is a Duffinian number.

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, 13512744606 + ... + 13512744655.

Almost surely, 2^675637231525 is an apocalyptic number.

It is an amenable number.

675637231525 is a deficient number, since it is larger than the sum of its proper divisors (162152935597).

675637231525 is a wasteful number, since it uses less digits than its factorization.

675637231525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27025489271 (or 27025489266 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 52.

The spelling of 675637231525 in words is "six hundred seventy-five billion, six hundred thirty-seven million, two hundred thirty-one thousand, five hundred twenty-five".