40106525 has 12 divisors (see below), whose sum is σ = 50175732. Its totient is φ = 31799040.

The previous prime is 40106509. The next prime is 40106543. The reversal of 40106525 is 52560104.

It can be written as a sum of positive squares in 6 ways, for example, as 630436 + 39476089 = 794^2 + 6283^2 .

It is not a de Polignac number, because 40106525 - 2⁴ = 40106509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40106525.

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, 4274 + ... + 9923.

It is an arithmetic number, because the mean of its divisors is an integer number (4181311).

Almost surely, 2^40106525 is an apocalyptic number.

It is an amenable number.

40106525 is a deficient number, since it is larger than the sum of its proper divisors (10069207).

40106525 is a wasteful number, since it uses less digits than its factorization.

40106525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14320 (or 14315 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 40106525 is about 6332.9712615801. The cubic root of 40106525 is about 342.2985122118.

Adding to 40106525 its reverse (52560104), we get a palindrome (92666629).

The spelling of 40106525 in words is "forty million, one hundred six thousand, five hundred twenty-five".