43125535 has 16 divisors (see below), whose sum is σ = 55951200. Its totient is φ = 31798656.

The previous prime is 43125503. The next prime is 43125541. The reversal of 43125535 is 53552134.

It is a cyclic number.

It is not a de Polignac number, because 43125535 - 2⁵ = 43125503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2620 + ... + 9649.

It is an arithmetic number, because the mean of its divisors is an integer number (3496950).

Almost surely, 2^43125535 is an apocalyptic number.

43125535 is a deficient number, since it is larger than the sum of its proper divisors (12825665).

43125535 is a wasteful number, since it uses less digits than its factorization.

43125535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330.

The product of its digits is 9000, while the sum is 28.

The square root of 43125535 is about 6567.0035023594. The cubic root of 43125535 is about 350.6804043196.

Adding to 43125535 its reverse (53552134), we get a palindrome (96677669).

It can be divided in two parts, 43125 and 535, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 43125535 in words is "forty-three million, one hundred twenty-five thousand, five hundred thirty-five".