40312525 has 24 divisors (see below), whose sum is σ = 57746304. Its totient is φ = 27590400.

The previous prime is 40312513. The next prime is 40312529. The reversal of 40312525 is 52521304.

It is not a de Polignac number, because 40312525 - 2¹¹ = 40310477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40312496 and 40312505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40312529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364 + ... + 8986.

It is an arithmetic number, because the mean of its divisors is an integer number (2406096).

Almost surely, 2^40312525 is an apocalyptic number.

It is an amenable number.

40312525 is a deficient number, since it is larger than the sum of its proper divisors (17433779).

40312525 is a wasteful number, since it uses less digits than its factorization.

40312525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8661 (or 8656 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40312525 is about 6349.2145183479. The cubic root of 40312525 is about 342.8835633988.

Adding to 40312525 its reverse (52521304), we get a palindrome (92833829).

It can be divided in two parts, 4031 and 2525, that added together give a palindrome (6556).

The spelling of 40312525 in words is "forty million, three hundred twelve thousand, five hundred twenty-five".