1113993425 has 18 divisors (see below), whose sum is σ = 1463511798. Its totient is φ = 838253440.

The previous prime is 1113993421. The next prime is 1113993451. The reversal of 1113993425 is 5243993111.

It can be written as a sum of positive squares in 3 ways, for example, as 167754304 + 946239121 = 12952^2 + 30761^2 .

It is not a de Polignac number, because 1113993425 - 2² = 1113993421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113993421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 687266 + ... + 688884.

It is an arithmetic number, because the mean of its divisors is an integer number (81306211).

Almost surely, 2^1113993425 is an apocalyptic number.

It is an amenable number.

1113993425 is a deficient number, since it is larger than the sum of its proper divisors (349518373).

1113993425 is an frugal number, since it uses more digits than its factorization.

1113993425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265 (or 1641 counting only the distinct ones).

The product of its digits is 29160, while the sum is 38.

The square root of 1113993425 is about 33376.5400393750. The cubic root of 1113993425 is about 1036.6389972844.

The spelling of 1113993425 in words is "one billion, one hundred thirteen million, nine hundred ninety-three thousand, four hundred twenty-five".