40525713 has 6 divisors (see below), whose sum is σ = 58537154. Its totient is φ = 27017136.

The previous prime is 40525699. The next prime is 40525717. The reversal of 40525713 is 31752504.

It is a happy number.

40525713 is a `hidden beast` number, since 40 + 52 + 571 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28643904 + 11881809 = 5352^2 + 3447^2 .

It is not a de Polignac number, because 40525713 - 2⁴ = 40525697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40525717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2251420 + ... + 2251437.

Almost surely, 2^40525713 is an apocalyptic number.

It is an amenable number.

40525713 is a deficient number, since it is larger than the sum of its proper divisors (18011441).

40525713 is a wasteful number, since it uses less digits than its factorization.

40525713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502863 (or 4502860 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 40525713 is about 6365.9809142032. The cubic root of 40525713 is about 343.4869340262.

The spelling of 40525713 in words is "forty million, five hundred twenty-five thousand, seven hundred thirteen".