406245233 has 2 divisors, whose sum is σ = 406245234. Its totient is φ = 406245232.

The previous prime is 406245227. The next prime is 406245239. The reversal of 406245233 is 332542604.

It is a balanced prime because it is at equal distance from previous prime (406245227) and next prime (406245239).

It can be written as a sum of positive squares in only one way, i.e., 406103104 + 142129 = 20152^2 + 377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406245233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 406245196 and 406245205.

It is not a weakly prime, because it can be changed into another prime (406245239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203122616 + 203122617.

It is an arithmetic number, because the mean of its divisors is an integer number (203122617).

Almost surely, 2^406245233 is an apocalyptic number.

It is an amenable number.

406245233 is a deficient number, since it is larger than the sum of its proper divisors (1).

406245233 is an equidigital number, since it uses as much as digits as its factorization.

406245233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 406245233 is about 20155.5261156835. The cubic root of 406245233 is about 740.6211202251.

Adding to 406245233 its reverse (332542604), we get a palindrome (738787837).

The spelling of 406245233 in words is "four hundred six million, two hundred forty-five thousand, two hundred thirty-three".