1131706325 has 6 divisors (see below), whose sum is σ = 1403315874. Its totient is φ = 905365040.

The previous prime is 1131706319. The next prime is 1131706327. The reversal of 1131706325 is 5236071311.

It can be written as a sum of positive squares in 3 ways, for example, as 47914084 + 1083792241 = 6922^2 + 32921^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1131706325 is a prime.

It is a super-3 number, since 3×1131706325³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131706327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22634102 + ... + 22634151.

It is an arithmetic number, because the mean of its divisors is an integer number (233885979).

Almost surely, 2^1131706325 is an apocalyptic number.

It is an amenable number.

1131706325 is a deficient number, since it is larger than the sum of its proper divisors (271609549).

1131706325 is an equidigital number, since it uses as much as digits as its factorization.

1131706325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45268263 (or 45268258 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1131706325 is about 33640.8431077463. The cubic root of 1131706325 is about 1042.1044434761.

Adding to 1131706325 its reverse (5236071311), we get a palindrome (6367777636).

The spelling of 1131706325 in words is "one billion, one hundred thirty-one million, seven hundred six thousand, three hundred twenty-five".