113053520 has 20 divisors (see below), whose sum is σ = 262849620. Its totient is φ = 45221376.

The previous prime is 113053511. The next prime is 113053547. The reversal of 113053520 is 25350311.

It can be written as a sum of positive squares in 2 ways, for example, as 60403984 + 52649536 = 7772^2 + 7256^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113053492 and 113053501.

It is a congruent number.

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, 706505 + ... + 706664.

It is an arithmetic number, because the mean of its divisors is an integer number (13142481).

Almost surely, 2^113053520 is an apocalyptic number.

113053520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113053520 is an abundant number, since it is smaller than the sum of its proper divisors (149796100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113053520 is a wasteful number, since it uses less digits than its factorization.

113053520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413182 (or 1413176 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 113053520 is about 10632.6628837747. The cubic root of 113053520 is about 483.5351272590.

The spelling of 113053520 in words is "one hundred thirteen million, fifty-three thousand, five hundred twenty".