125565533 has 8 divisors (see below), whose sum is σ = 133498368. Its totient is φ = 117838864.

The previous prime is 125565521. The next prime is 125565551. The reversal of 125565533 is 335565521.

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

It is a cyclic number.

It is not a de Polignac number, because 125565533 - 2¹² = 125561437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125565493 and 125565502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125565733) 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, 50285 + ... + 52722.

It is an arithmetic number, because the mean of its divisors is an integer number (16687296).

Almost surely, 2^125565533 is an apocalyptic number.

It is an amenable number.

125565533 is a deficient number, since it is larger than the sum of its proper divisors (7932835).

125565533 is a wasteful number, since it uses less digits than its factorization.

125565533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103083.

The product of its digits is 67500, while the sum is 35.

The square root of 125565533 is about 11205.6027504102. The cubic root of 125565533 is about 500.7529096849.

The spelling of 125565533 in words is "one hundred twenty-five million, five hundred sixty-five thousand, five hundred thirty-three".