406254061 has 2 divisors, whose sum is σ = 406254062. Its totient is φ = 406254060.

The previous prime is 406254047. The next prime is 406254089. The reversal of 406254061 is 160452604.

It is an a-pointer prime, because the next prime (406254089) can be obtained adding 406254061 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337861161 + 68392900 = 18381^2 + 8270^2 .

It is a cyclic number.

It is not a de Polignac number, because 406254061 - 2¹³ = 406245869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406254091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203127030 + 203127031.

It is an arithmetic number, because the mean of its divisors is an integer number (203127031).

Almost surely, 2^406254061 is an apocalyptic number.

It is an amenable number.

406254061 is a deficient number, since it is larger than the sum of its proper divisors (1).

406254061 is an equidigital number, since it uses as much as digits as its factorization.

406254061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 406254061 is about 20155.7451115060. The cubic root of 406254061 is about 740.6264849288.

The spelling of 406254061 in words is "four hundred six million, two hundred fifty-four thousand, sixty-one".