403212113 has 2 divisors, whose sum is σ = 403212114. Its totient is φ = 403212112.

The previous prime is 403212083. The next prime is 403212119. The reversal of 403212113 is 311212304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366645904 + 36566209 = 19148^2 + 6047^2 .

It is a cyclic number.

It is not a de Polignac number, because 403212113 - 2⁸ = 403211857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403212091 and 403212100.

It is not a weakly prime, because it can be changed into another prime (403212119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201606056 + 201606057.

It is an arithmetic number, because the mean of its divisors is an integer number (201606057).

Almost surely, 2^403212113 is an apocalyptic number.

It is an amenable number.

403212113 is a deficient number, since it is larger than the sum of its proper divisors (1).

403212113 is an equidigital number, since it uses as much as digits as its factorization.

403212113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 403212113 is about 20080.1422554722. The cubic root of 403212113 is about 738.7732981468.

Adding to 403212113 its reverse (311212304), we get a palindrome (714424417).

The spelling of 403212113 in words is "four hundred three million, two hundred twelve thousand, one hundred thirteen".