1163456425 has 6 divisors (see below), whose sum is σ = 1442685998. Its totient is φ = 930765120.

The previous prime is 1163456389. The next prime is 1163456447. The reversal of 1163456425 is 5246543611.

It can be written as a sum of positive squares in 3 ways, for example, as 107661376 + 1055795049 = 10376^2 + 32493^2 .

It is not a de Polignac number, because 1163456425 - 2⁷ = 1163456297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 23269104 + ... + 23269153.

Almost surely, 2^1163456425 is an apocalyptic number.

It is an amenable number.

1163456425 is a deficient number, since it is larger than the sum of its proper divisors (279229573).

1163456425 is an equidigital number, since it uses as much as digits as its factorization.

1163456425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46538267 (or 46538262 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 1163456425 is about 34109.4770555047. The cubic root of 1163456425 is about 1051.7601392480.

The spelling of 1163456425 in words is "one billion, one hundred sixty-three million, four hundred fifty-six thousand, four hundred twenty-five".