40130525 has 12 divisors (see below), whose sum is σ = 49883712. Its totient is φ = 32025840.

The previous prime is 40130501. The next prime is 40130543. The reversal of 40130525 is 52503104.

It is not a de Polignac number, because 40130525 - 2⁸ = 40130269 is a prime.

It is a super-2 number, since 2×40130525² = 3220918073551250, 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 = 40130497 and 40130506.

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, 9842 + ... + 13308.

It is an arithmetic number, because the mean of its divisors is an integer number (4156976).

Almost surely, 2^40130525 is an apocalyptic number.

It is an amenable number.

40130525 is a deficient number, since it is larger than the sum of its proper divisors (9753187).

40130525 is a wasteful number, since it uses less digits than its factorization.

40130525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940 (or 3935 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 40130525 is about 6334.8658233620. The cubic root of 40130525 is about 342.3667764669.

Adding to 40130525 its reverse (52503104), we get a palindrome (92633629).

The spelling of 40130525 in words is "forty million, one hundred thirty thousand, five hundred twenty-five".