945437213 has 12 divisors (see below), whose sum is σ = 1109533500. Its totient is φ = 803198592.

The previous prime is 945437197. The next prime is 945437219. The reversal of 945437213 is 312734549.

945437213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 348270244 + 597166969 = 18662^2 + 24437^2 .

It is not a de Polignac number, because 945437213 - 2⁴ = 945437197 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 (945437219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79838 + ... + 90911.

It is an arithmetic number, because the mean of its divisors is an integer number (92461125).

Almost surely, 2^945437213 is an apocalyptic number.

It is an amenable number.

945437213 is a deficient number, since it is larger than the sum of its proper divisors (164096287).

945437213 is a wasteful number, since it uses less digits than its factorization.

945437213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170876 (or 170869 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 945437213 is about 30747.9627455219. The cubic root of 945437213 is about 981.4712086347.

The spelling of 945437213 in words is "nine hundred forty-five million, four hundred thirty-seven thousand, two hundred thirteen".