403038253 has 2 divisors, whose sum is σ = 403038254. Its totient is φ = 403038252.

The previous prime is 403038239. The next prime is 403038257. The reversal of 403038253 is 352830304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 396288649 + 6749604 = 19907^2 + 2598^2 .

It is a cyclic number.

It is not a de Polignac number, because 403038253 - 2⁵ = 403038221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403038257) 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, 201519126 + 201519127.

It is an arithmetic number, because the mean of its divisors is an integer number (201519127).

Almost surely, 2^403038253 is an apocalyptic number.

It is an amenable number.

403038253 is a deficient number, since it is larger than the sum of its proper divisors (1).

403038253 is an equidigital number, since it uses as much as digits as its factorization.

403038253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 403038253 is about 20075.8126361052. The cubic root of 403038253 is about 738.6670996251.

Adding to 403038253 its reverse (352830304), we get a palindrome (755868557).

The spelling of 403038253 in words is "four hundred three million, thirty-eight thousand, two hundred fifty-three".