1253333133 has 12 divisors (see below), whose sum is σ = 1949629500. Its totient is φ = 771281856.

The previous prime is 1253333113. The next prime is 1253333171. The reversal of 1253333133 is 3313333521.

1253333133 is a `hidden beast` number, since 12 + 5 + 333 + 313 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 156200004 + 1097133129 = 12498^2 + 33123^2 .

It is not a de Polignac number, because 1253333133 - 2⁸ = 1253332877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253333097 and 1253333106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253333113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5356008 + ... + 5356241.

It is an arithmetic number, because the mean of its divisors is an integer number (162469125).

Almost surely, 2^1253333133 is an apocalyptic number.

1253333133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1253333133 is a deficient number, since it is larger than the sum of its proper divisors (696296367).

1253333133 is a wasteful number, since it uses less digits than its factorization.

1253333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712268 (or 10712265 counting only the distinct ones).

The product of its digits is 7290, while the sum is 27.

The square root of 1253333133 is about 35402.4452969000. The cubic root of 1253333133 is about 1078.1739642236.

Adding to 1253333133 its reverse (3313333521), we get a palindrome (4566666654).

The spelling of 1253333133 in words is "one billion, two hundred fifty-three million, three hundred thirty-three thousand, one hundred thirty-three".