125535733 has 4 divisors (see below), whose sum is σ = 125558188. Its totient is φ = 125513280.

The previous prime is 125535721. The next prime is 125535763. The reversal of 125535733 is 337535521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 337535521 = 911 ⋅370511.

It can be written as a sum of positive squares in 2 ways, for example, as 9284209 + 116251524 = 3047^2 + 10782^2 .

It is a cyclic number.

It is not a de Polignac number, because 125535733 - 2¹⁷ = 125404661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125535713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4543 + ... + 16483.

It is an arithmetic number, because the mean of its divisors is an integer number (31389547).

Almost surely, 2^125535733 is an apocalyptic number.

It is an amenable number.

125535733 is a deficient number, since it is larger than the sum of its proper divisors (22455).

125535733 is a wasteful number, since it uses less digits than its factorization.

125535733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22454.

The product of its digits is 47250, while the sum is 34.

The square root of 125535733 is about 11204.2729795378. The cubic root of 125535733 is about 500.7132926101.

The spelling of 125535733 in words is "one hundred twenty-five million, five hundred thirty-five thousand, seven hundred thirty-three".