403032253 has 16 divisors (see below), whose sum is σ = 438718896. Its totient is φ = 368040960.

The previous prime is 403032221. The next prime is 403032263. The reversal of 403032253 is 352230304.

It can be written as a sum of positive squares in 8 ways, for example, as 5508409 + 397523844 = 2347^2 + 19938^2 .

It is a cyclic number.

It is not a de Polignac number, because 403032253 - 2⁵ = 403032221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403032263) 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 in 15 ways as a sum of consecutive naturals, for example, 616875 + ... + 617527.

It is an arithmetic number, because the mean of its divisors is an integer number (27419931).

Almost surely, 2^403032253 is an apocalyptic number.

It is an amenable number.

403032253 is a deficient number, since it is larger than the sum of its proper divisors (35686643).

403032253 is a wasteful number, since it uses less digits than its factorization.

403032253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 403032253 is about 20075.6632019966. The cubic root of 403032253 is about 738.6634341131.

Adding to 403032253 its reverse (352230304), we get a palindrome (755262557).

The spelling of 403032253 in words is "four hundred three million, thirty-two thousand, two hundred fifty-three".