1113025345 has 4 divisors (see below), whose sum is σ = 1335630420. Its totient is φ = 890420272.

The previous prime is 1113025327. The next prime is 1113025363. The reversal of 1113025345 is 5435203111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5435203111 = 13 ⋅418092547.

It is an interprime number because it is at equal distance from previous prime (1113025327) and next prime (1113025363).

It can be written as a sum of positive squares in 2 ways, for example, as 529368064 + 583657281 = 23008^2 + 24159^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113025345 - 2²¹ = 1110928193 is a prime.

It is a super-2 number, since 2×1113025345² = 2477650837224738050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111302530 + ... + 111302539.

It is an arithmetic number, because the mean of its divisors is an integer number (333907605).

Almost surely, 2^1113025345 is an apocalyptic number.

It is an amenable number.

1113025345 is a deficient number, since it is larger than the sum of its proper divisors (222605075).

1113025345 is an equidigital number, since it uses as much as digits as its factorization.

1113025345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222605074.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1113025345 is about 33362.0344853248. The cubic root of 1113025345 is about 1036.3386243800.

Adding to 1113025345 its reverse (5435203111), we get a palindrome (6548228456).

The spelling of 1113025345 in words is "one billion, one hundred thirteen million, twenty-five thousand, three hundred forty-five".