113015725 has 6 divisors (see below), whose sum is σ = 140139530. Its totient is φ = 90412560.

The previous prime is 113015717. The next prime is 113015729. The reversal of 113015725 is 527510311.

It can be written as a sum of positive squares in 3 ways, for example, as 24147396 + 88868329 = 4914^2 + 9427^2 .

It is not a de Polignac number, because 113015725 - 2³ = 113015717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 4520629 = 113015725 / (1 + 1 + 3 + 0 + 1 + 5 + 7 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 113015725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113015729) 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, 2260290 + ... + 2260339.

Almost surely, 2^113015725 is an apocalyptic number.

It is an amenable number.

113015725 is a deficient number, since it is larger than the sum of its proper divisors (27123805).

113015725 is an equidigital number, since it uses as much as digits as its factorization.

113015725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520639 (or 4520634 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 113015725 is about 10630.8854287872. The cubic root of 113015725 is about 483.4812375997.

The spelling of 113015725 in words is "one hundred thirteen million, fifteen thousand, seven hundred twenty-five".