43125525 has 18 divisors (see below), whose sum is σ = 77243010. Its totient is φ = 23000160.

The previous prime is 43125503. The next prime is 43125541. The reversal of 43125525 is 52552134.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 36 + 43125489 = 6^2 + 6567^2 .

It is not a de Polignac number, because 43125525 - 2⁵ = 43125493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 95610 + ... + 96059.

Almost surely, 2^43125525 is an apocalyptic number.

43125525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43125525 is a deficient number, since it is larger than the sum of its proper divisors (34117485).

43125525 is a wasteful number, since it uses less digits than its factorization.

43125525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191685 (or 191677 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 43125525 is about 6567.0027409770. The cubic root of 43125525 is about 350.6803772142.

Adding to 43125525 its reverse (52552134), we get a palindrome (95677659).

The spelling of 43125525 in words is "forty-three million, one hundred twenty-five thousand, five hundred twenty-five".