406573031 has 2 divisors, whose sum is σ = 406573032. Its totient is φ = 406573030.

The previous prime is 406573021. The next prime is 406573043. The reversal of 406573031 is 130375604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406573031 - 2¹⁸ = 406310887 is a prime.

It is a super-2 number, since 2×406573031² = 330603259073053922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 406572985 and 406573003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406573021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203286515 + 203286516.

It is an arithmetic number, because the mean of its divisors is an integer number (203286516).

Almost surely, 2^406573031 is an apocalyptic number.

406573031 is a deficient number, since it is larger than the sum of its proper divisors (1).

406573031 is an equidigital number, since it uses as much as digits as its factorization.

406573031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 406573031 is about 20163.6561912764. The cubic root of 406573031 is about 740.8202682878.

The spelling of 406573031 in words is "four hundred six million, five hundred seventy-three thousand, thirty-one".