125706533 has 8 divisors (see below), whose sum is σ = 129073560. Its totient is φ = 122353920.

The previous prime is 125706499. The next prime is 125706557. The reversal of 125706533 is 335607521.

It can be written as a sum of positive squares in 4 ways, for example, as 18852964 + 106853569 = 4342^2 + 10337^2 .

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 125706533 - 2¹⁶ = 125640997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125706533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125706563) 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, 15383 + ... + 22091.

It is an arithmetic number, because the mean of its divisors is an integer number (16134195).

Almost surely, 2^125706533 is an apocalyptic number.

It is an amenable number.

125706533 is a deficient number, since it is larger than the sum of its proper divisors (3367027).

125706533 is an equidigital number, since it uses as much as digits as its factorization.

125706533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 125706533 is about 11211.8924807545. The cubic root of 125706533 is about 500.9402746587.

The spelling of 125706533 in words is "one hundred twenty-five million, seven hundred six thousand, five hundred thirty-three".