1253055249 has 12 divisors (see below), whose sum is σ = 1888663296. Its totient is φ = 799049592.

The previous prime is 1253055241. The next prime is 1253055257. The reversal of 1253055249 is 9425503521.

It is a happy number.

1253055249 is a `hidden beast` number, since 12 + 53 + 0 + 552 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (1253055241) and next prime (1253055257).

It is not a de Polignac number, because 1253055249 - 2³ = 1253055241 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1253055241) 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, 3026497 + ... + 3026910.

It is an arithmetic number, because the mean of its divisors is an integer number (157388608).

Almost surely, 2^1253055249 is an apocalyptic number.

It is an amenable number.

1253055249 is a deficient number, since it is larger than the sum of its proper divisors (635608047).

1253055249 is a wasteful number, since it uses less digits than its factorization.

1253055249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053436 (or 6053433 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 1253055249 is about 35398.5204351820. The cubic root of 1253055249 is about 1078.0942755302.

The spelling of 1253055249 in words is "one billion, two hundred fifty-three million, fifty-five thousand, two hundred forty-nine".