406053863 has 2 divisors, whose sum is σ = 406053864. Its totient is φ = 406053862.

The previous prime is 406053847. The next prime is 406053887. The reversal of 406053863 is 368350604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406053863 - 2⁴ = 406053847 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406053833) 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, 203026931 + 203026932.

It is an arithmetic number, because the mean of its divisors is an integer number (203026932).

Almost surely, 2^406053863 is an apocalyptic number.

406053863 is a deficient number, since it is larger than the sum of its proper divisors (1).

406053863 is an equidigital number, since it uses as much as digits as its factorization.

406053863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 406053863 is about 20150.7782231853. The cubic root of 406053863 is about 740.5048071270.

The spelling of 406053863 in words is "four hundred six million, fifty-three thousand, eight hundred sixty-three".