40475213 has 4 divisors (see below), whose sum is σ = 41870940. Its totient is φ = 39079488.

The previous prime is 40475203. The next prime is 40475219. The reversal of 40475213 is 31257404.

40475213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21141604 + 19333609 = 4598^2 + 4397^2 .

It is a cyclic number.

It is not a de Polignac number, because 40475213 - 2⁸ = 40474957 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 (40475219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697820 + ... + 697877.

It is an arithmetic number, because the mean of its divisors is an integer number (10467735).

Almost surely, 2^40475213 is an apocalyptic number.

It is an amenable number.

40475213 is a deficient number, since it is larger than the sum of its proper divisors (1395727).

40475213 is a wasteful number, since it uses less digits than its factorization.

40475213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395726.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40475213 is about 6362.0132819729. The cubic root of 40475213 is about 343.3441991304.

The spelling of 40475213 in words is "forty million, four hundred seventy-five thousand, two hundred thirteen".