43340525 has 12 divisors (see below), whose sum is σ = 54392352. Its totient is φ = 34253040.

The previous prime is 43340519. The next prime is 43340537. The reversal of 43340525 is 52504334.

It is not a de Polignac number, because 43340525 - 2¹⁸ = 43078381 is a prime.

It is a super-2 number, since 2×43340525² = 3756802214551250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43340494 and 43340503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8369 + ... + 12518.

It is an arithmetic number, because the mean of its divisors is an integer number (4532696).

Almost surely, 2^43340525 is an apocalyptic number.

It is an amenable number.

43340525 is a deficient number, since it is larger than the sum of its proper divisors (11051827).

43340525 is a wasteful number, since it uses less digits than its factorization.

43340525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20980 (or 20975 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 43340525 is about 6583.3521096779. The cubic root of 43340525 is about 351.2621775306.

Adding to 43340525 its reverse (52504334), we get a palindrome (95844859).

The spelling of 43340525 in words is "forty-three million, three hundred forty thousand, five hundred twenty-five".