125333533 has 4 divisors (see below), whose sum is σ = 134974588. Its totient is φ = 115692480.

The previous prime is 125333513. The next prime is 125333543. The reversal of 125333533 is 335333521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335333521 = 59 ⋅5683619.

It can be written as a sum of positive squares in 2 ways, for example, as 86620249 + 38713284 = 9307^2 + 6222^2 .

It is a cyclic number.

It is not a de Polignac number, because 125333533 - 2¹⁷ = 125202461 is a prime.

It is a super-3 number, since 3×125333533³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125333513) 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, 4820508 + ... + 4820533.

It is an arithmetic number, because the mean of its divisors is an integer number (33743647).

Almost surely, 2^125333533 is an apocalyptic number.

125333533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

125333533 is a deficient number, since it is larger than the sum of its proper divisors (9641055).

125333533 is an equidigital number, since it uses as much as digits as its factorization.

125333533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9641054.

The product of its digits is 12150, while the sum is 28.

The square root of 125333533 is about 11195.2459999770. The cubic root of 125333533 is about 500.4443157168. Note that the first 3 decimals are identical.

The spelling of 125333533 in words is "one hundred twenty-five million, three hundred thirty-three thousand, five hundred thirty-three".