113143025 has 12 divisors (see below), whose sum is σ = 144824064. Its totient is φ = 87594000.

The previous prime is 113142961. The next prime is 113143033. The reversal of 113143025 is 520341311.

It is not a de Polignac number, because 113143025 - 2⁶ = 113142961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113142988 and 113143006.

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 11 ways as a sum of consecutive naturals, for example, 72221 + ... + 73770.

It is an arithmetic number, because the mean of its divisors is an integer number (12068672).

Almost surely, 2^113143025 is an apocalyptic number.

It is an amenable number.

113143025 is a deficient number, since it is larger than the sum of its proper divisors (31681039).

113143025 is a wasteful number, since it uses less digits than its factorization.

113143025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146032 (or 146027 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 113143025 is about 10636.8710154819. The cubic root of 113143025 is about 483.6626992717.

Adding to 113143025 its reverse (520341311), we get a palindrome (633484336).

The spelling of 113143025 in words is "one hundred thirteen million, one hundred forty-three thousand, twenty-five".