40817125 has 8 divisors (see below), whose sum is σ = 50939928. Its totient is φ = 32653600.

The previous prime is 40817093. The next prime is 40817141. The reversal of 40817125 is 52171804.

It can be written as a sum of positive squares in 4 ways, for example, as 887364 + 39929761 = 942^2 + 6319^2 .

It is not a de Polignac number, because 40817125 - 2⁵ = 40817093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40817093 and 40817102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163144 + ... + 163393.

It is an arithmetic number, because the mean of its divisors is an integer number (6367491).

Almost surely, 2^40817125 is an apocalyptic number.

It is an amenable number.

40817125 is a deficient number, since it is larger than the sum of its proper divisors (10122803).

40817125 is an equidigital number, since it uses as much as digits as its factorization.

40817125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326552 (or 326542 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 40817125 is about 6388.8281398078. The cubic root of 40817125 is about 344.3082828870.

Adding to 40817125 its reverse (52171804), we get a palindrome (92988929).

The spelling of 40817125 in words is "forty million, eight hundred seventeen thousand, one hundred twenty-five".