253034403 has 16 divisors (see below), whose sum is σ = 346786176. Its totient is φ = 164021760.

The previous prime is 253034359. The next prime is 253034407. The reversal of 253034403 is 304430352.

It is not a de Polignac number, because 253034403 - 2⁸ = 253034147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253034407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24963 + ... + 33603.

It is an arithmetic number, because the mean of its divisors is an integer number (21674136).

Almost surely, 2^253034403 is an apocalyptic number.

253034403 is a deficient number, since it is larger than the sum of its proper divisors (93751773).

253034403 is a wasteful number, since it uses less digits than its factorization.

253034403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 253034403 is about 15907.0551328648. The cubic root of 253034403 is about 632.4990208653.

Adding to 253034403 its reverse (304430352), we get a palindrome (557464755).

The spelling of 253034403 in words is "two hundred fifty-three million, thirty-four thousand, four hundred three".