1253380833 has 12 divisors (see below), whose sum is σ = 1814321808. Its totient is φ = 833795160.

The previous prime is 1253380831. The next prime is 1253380853. The reversal of 1253380833 is 3380833521.

1253380833 is a `hidden beast` number, since 12 + 533 + 80 + 8 + 33 = 666.

It is not a de Polignac number, because 1253380833 - 2¹ = 1253380831 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1253380831) 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, 144903 + ... + 153308.

It is an arithmetic number, because the mean of its divisors is an integer number (151193484).

Almost surely, 2^1253380833 is an apocalyptic number.

It is an amenable number.

1253380833 is a deficient number, since it is larger than the sum of its proper divisors (560940975).

1253380833 is a wasteful number, since it uses less digits than its factorization.

1253380833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298684 (or 298681 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1253380833 is about 35403.1189727685. The cubic root of 1253380833 is about 1078.1876419507.

The spelling of 1253380833 in words is "one billion, two hundred fifty-three million, three hundred eighty thousand, eight hundred thirty-three".