40525135 has 16 divisors (see below), whose sum is σ = 56871936. Its totient is φ = 27141408.

The previous prime is 40525109. The next prime is 40525181. The reversal of 40525135 is 53152504.

It is not a de Polignac number, because 40525135 - 2⁹ = 40524623 is a prime.

It is a Duffinian number.

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, 11959 + ... + 14968.

It is an arithmetic number, because the mean of its divisors is an integer number (3554496).

Almost surely, 2^40525135 is an apocalyptic number.

40525135 is a deficient number, since it is larger than the sum of its proper divisors (16346801).

40525135 is a wasteful number, since it uses less digits than its factorization.

40525135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26982.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 40525135 is about 6365.9355164815. The cubic root of 40525135 is about 343.4853010186.

Adding to 40525135 its reverse (53152504), we get a palindrome (93677639).

The spelling of 40525135 in words is "forty million, five hundred twenty-five thousand, one hundred thirty-five".