40313125 has 20 divisors (see below), whose sum is σ = 51367932. Its totient is φ = 31616000.

The previous prime is 40313123. The next prime is 40313167. The reversal of 40313125 is 52131304.

It can be written as a sum of positive squares in 10 ways, for example, as 29931841 + 10381284 = 5471^2 + 3222^2 .

It is not a de Polignac number, because 40313125 - 2¹ = 40313123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40313123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32517 + ... + 33733.

Almost surely, 2^40313125 is an apocalyptic number.

It is an amenable number.

40313125 is a deficient number, since it is larger than the sum of its proper divisors (11054807).

40313125 is an equidigital number, since it uses as much as digits as its factorization.

40313125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1275 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 40313125 is about 6349.2617681113. The cubic root of 40313125 is about 342.8852645171.

Adding to 40313125 its reverse (52131304), we get a palindrome (92444429).

The spelling of 40313125 in words is "forty million, three hundred thirteen thousand, one hundred twenty-five".