406425601 has 2 divisors, whose sum is σ = 406425602. Its totient is φ = 406425600.

The previous prime is 406425589. The next prime is 406425611. The reversal of 406425601 is 106524604.

It is a Cunningham number, because it is equal to 20160²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 406425600 + 1 = 20160^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 406425601 - 2⁷ = 406425473 is a prime.

It is a super-2 number, since 2×406425601² = 330363538296422402, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406425601.

It is not a weakly prime, because it can be changed into another prime (406425611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203212800 + 203212801.

It is an arithmetic number, because the mean of its divisors is an integer number (203212801).

Almost surely, 2^406425601 is an apocalyptic number.

It is an amenable number.

406425601 is a deficient number, since it is larger than the sum of its proper divisors (1).

406425601 is an equidigital number, since it uses as much as digits as its factorization.

406425601 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 406425601 is about 20160.0000248016. Note that the first 4 decimals coincide. The cubic root of 406425601 is about 740.7307129656.

The spelling of 406425601 in words is "four hundred six million, four hundred twenty-five thousand, six hundred one".