40525147 has 8 divisors (see below), whose sum is σ = 44241344. Its totient is φ = 36894528.

The previous prime is 40525109. The next prime is 40525181. The reversal of 40525147 is 74152504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40525147 - 2¹¹ = 40523099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40525187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20403 + ... + 22300.

It is an arithmetic number, because the mean of its divisors is an integer number (5530168).

Almost surely, 2^40525147 is an apocalyptic number.

40525147 is a deficient number, since it is larger than the sum of its proper divisors (3716197).

40525147 is a wasteful number, since it uses less digits than its factorization.

40525147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42789.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 40525147 is about 6365.9364589980. The cubic root of 40525147 is about 343.4853349221.

It can be divided in two parts, 405 and 25147, that added together give a palindrome (25552).

The spelling of 40525147 in words is "forty million, five hundred twenty-five thousand, one hundred forty-seven".