1131254653 has 2 divisors, whose sum is σ = 1131254654. Its totient is φ = 1131254652.

The previous prime is 1131254651. The next prime is 1131254669. The reversal of 1131254653 is 3564521311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120776484 + 10478169 = 33478^2 + 3237^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131254653 - 2¹ = 1131254651 is a prime.

Together with 1131254651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131254651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565627326 + 565627327.

It is an arithmetic number, because the mean of its divisors is an integer number (565627327).

Almost surely, 2^1131254653 is an apocalyptic number.

It is an amenable number.

1131254653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131254653 is an equidigital number, since it uses as much as digits as its factorization.

1131254653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 1131254653 is about 33634.1292885664. The cubic root of 1131254653 is about 1041.9657879432.

Adding to 1131254653 its reverse (3564521311), we get a palindrome (4695775964).

The spelling of 1131254653 in words is "one billion, one hundred thirty-one million, two hundred fifty-four thousand, six hundred fifty-three".