406544053 has 2 divisors, whose sum is σ = 406544054. Its totient is φ = 406544052.

The previous prime is 406544041. The next prime is 406544057. The reversal of 406544053 is 350445604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361076004 + 45468049 = 19002^2 + 6743^2 .

It is a cyclic number.

It is not a de Polignac number, because 406544053 - 2¹³ = 406535861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406544057) 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, 203272026 + 203272027.

It is an arithmetic number, because the mean of its divisors is an integer number (203272027).

Almost surely, 2^406544053 is an apocalyptic number.

It is an amenable number.

406544053 is a deficient number, since it is larger than the sum of its proper divisors (1).

406544053 is an equidigital number, since it uses as much as digits as its factorization.

406544053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 406544053 is about 20162.9376083943. The cubic root of 406544053 is about 740.8026675140.

Adding to 406544053 its reverse (350445604), we get a palindrome (756989657).

The spelling of 406544053 in words is "four hundred six million, five hundred forty-four thousand, fifty-three".