406870573 has 2 divisors, whose sum is σ = 406870574. Its totient is φ = 406870572.

The previous prime is 406870553. The next prime is 406870589. The reversal of 406870573 is 375078604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295736809 + 111133764 = 17197^2 + 10542^2 .

It is a cyclic number.

It is not a de Polignac number, because 406870573 - 2¹³ = 406862381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406870543) 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 as a sum of consecutive naturals, namely, 203435286 + 203435287.

It is an arithmetic number, because the mean of its divisors is an integer number (203435287).

Almost surely, 2^406870573 is an apocalyptic number.

It is an amenable number.

406870573 is a deficient number, since it is larger than the sum of its proper divisors (1).

406870573 is an equidigital number, since it uses as much as digits as its factorization.

406870573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 406870573 is about 20171.0330176717. The cubic root of 406870573 is about 741.0009421792. Note that the first 3 decimals are identical.

The spelling of 406870573 in words is "four hundred six million, eight hundred seventy thousand, five hundred seventy-three".