1181925253 has 2 divisors, whose sum is σ = 1181925254. Its totient is φ = 1181925252.

The previous prime is 1181925233. The next prime is 1181925263. The reversal of 1181925253 is 3525291811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 852756804 + 329168449 = 29202^2 + 18143^2 .

It is a cyclic number.

It is not a de Polignac number, because 1181925253 - 2⁹ = 1181924741 is a prime.

It is a super-2 number, since 2×1181925253² = 2793894607358228018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1181925233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590962626 + 590962627.

It is an arithmetic number, because the mean of its divisors is an integer number (590962627).

Almost surely, 2^1181925253 is an apocalyptic number.

It is an amenable number.

1181925253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181925253 is an equidigital number, since it uses as much as digits as its factorization.

1181925253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 37.

The square root of 1181925253 is about 34379.1397943579. The cubic root of 1181925253 is about 1057.2961983023.

The spelling of 1181925253 in words is "one billion, one hundred eighty-one million, nine hundred twenty-five thousand, two hundred fifty-three".