113651225 has 6 divisors (see below), whose sum is σ = 140927550. Its totient is φ = 90920960.

The previous prime is 113651149. The next prime is 113651231. The reversal of 113651225 is 522156311.

It can be written as a sum of positive squares in 3 ways, for example, as 39639616 + 74011609 = 6296^2 + 8603^2 .

It is a de Polignac number, because none of the positive numbers 2^k-113651225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113651194 and 113651203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2273000 + ... + 2273049.

It is an arithmetic number, because the mean of its divisors is an integer number (23487925).

Almost surely, 2^113651225 is an apocalyptic number.

It is an amenable number.

113651225 is a deficient number, since it is larger than the sum of its proper divisors (27276325).

113651225 is an equidigital number, since it uses as much as digits as its factorization.

113651225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546059 (or 4546054 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 113651225 is about 10660.7328547338. The cubic root of 113651225 is about 484.3857672251.

The spelling of 113651225 in words is "one hundred thirteen million, six hundred fifty-one thousand, two hundred twenty-five".