43513125 has 40 divisors (see below), whose sum is σ = 75725760. Its totient is φ = 22176000.

The previous prime is 43513051. The next prime is 43513193. The reversal of 43513125 is 52131534.

It is not a de Polignac number, because 43513125 - 2¹² = 43509029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43513095 and 43513104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42621 + ... + 43629.

It is an arithmetic number, because the mean of its divisors is an integer number (1893144).

Almost surely, 2^43513125 is an apocalyptic number.

It is an amenable number.

43513125 is a deficient number, since it is larger than the sum of its proper divisors (32212635).

43513125 is a wasteful number, since it uses less digits than its factorization.

43513125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1040 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 43513125 is about 6596.4479077758. The cubic root of 43513125 is about 351.7278506134.

Adding to 43513125 its reverse (52131534), we get a palindrome (95644659).

The spelling of 43513125 in words is "forty-three million, five hundred thirteen thousand, one hundred twenty-five".