40512525 has 12 divisors (see below), whose sum is σ = 66980832. Its totient is φ = 21606640.

The previous prime is 40512517. The next prime is 40512539. The reversal of 40512525 is 52521504.

It is a happy number.

It is not a de Polignac number, because 40512525 - 2³ = 40512517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40512495 and 40512504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270009 + ... + 270158.

It is an arithmetic number, because the mean of its divisors is an integer number (5581736).

Almost surely, 2^40512525 is an apocalyptic number.

It is an amenable number.

40512525 is a deficient number, since it is larger than the sum of its proper divisors (26468307).

40512525 is a wasteful number, since it uses less digits than its factorization.

40512525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540180 (or 540175 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 40512525 is about 6364.9450115457. The cubic root of 40512525 is about 343.4496704651.

The spelling of 40512525 in words is "forty million, five hundred twelve thousand, five hundred twenty-five".