403725229 has 2 divisors, whose sum is σ = 403725230. Its totient is φ = 403725228.

The previous prime is 403725199. The next prime is 403725239. The reversal of 403725229 is 922527304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377408329 + 26316900 = 19427^2 + 5130^2 .

It is a cyclic number.

It is not a de Polignac number, because 403725229 - 2¹⁷ = 403594157 is a prime.

It is a super-2 number, since 2×403725229² = 325988121062204882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403725194 and 403725203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403725239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201862614 + 201862615.

It is an arithmetic number, because the mean of its divisors is an integer number (201862615).

Almost surely, 2^403725229 is an apocalyptic number.

It is an amenable number.

403725229 is a deficient number, since it is larger than the sum of its proper divisors (1).

403725229 is an equidigital number, since it uses as much as digits as its factorization.

403725229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 403725229 is about 20092.9148955546. The cubic root of 403725229 is about 739.0865457738.

The spelling of 403725229 in words is "four hundred three million, seven hundred twenty-five thousand, two hundred twenty-nine".