406258001 has 2 divisors, whose sum is σ = 406258002. Its totient is φ = 406258000.

The previous prime is 406257991. The next prime is 406258009. The reversal of 406258001 is 100852604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405619600 + 638401 = 20140^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 406258001 - 2²⁶ = 339149137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (406258009) 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, 203129000 + 203129001.

It is an arithmetic number, because the mean of its divisors is an integer number (203129001).

Almost surely, 2^406258001 is an apocalyptic number.

It is an amenable number.

406258001 is a deficient number, since it is larger than the sum of its proper divisors (1).

406258001 is an equidigital number, since it uses as much as digits as its factorization.

406258001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 406258001 is about 20155.8428501514. The cubic root of 406258001 is about 740.6288792096.

The spelling of 406258001 in words is "four hundred six million, two hundred fifty-eight thousand, one".