125633 has 4 divisors (see below), whose sum is σ = 127428. Its totient is φ = 123840.

The previous prime is 125627. The next prime is 125639. The reversal of 125633 is 336521.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (125627) and next prime (125639).

It can be written as a sum of positive squares in 2 ways, for example, as 82369 + 43264 = 287^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 125633 - 2⁴ = 125617 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (125639) 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, 788 + ... + 933.

It is an arithmetic number, because the mean of its divisors is an integer number (31857).

2¹²⁵⁶³³ is an apocalyptic number.

It is an amenable number.

125633 is a deficient number, since it is larger than the sum of its proper divisors (1795).

125633 is an equidigital number, since it uses as much as digits as its factorization.

125633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794.

The product of its digits is 540, while the sum is 20.

The square root of 125633 is about 354.4474573191. The cubic root of 125633 is about 50.0842579323.

The spelling of 125633 in words is "one hundred twenty-five thousand, six hundred thirty-three".