113553321 has 16 divisors (see below), whose sum is σ = 173543424. Its totient is φ = 64696464.

The previous prime is 113553317. The next prime is 113553343. The reversal of 113553321 is 123355311.

It is not a de Polignac number, because 113553321 - 2² = 113553317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113553291 and 113553300.

It is not an unprimeable number, because it can be changed into a prime (113553721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505 + ... + 15078.

It is an arithmetic number, because the mean of its divisors is an integer number (10846464).

Almost surely, 2^113553321 is an apocalyptic number.

It is an amenable number.

113553321 is a deficient number, since it is larger than the sum of its proper divisors (59990103).

113553321 is a wasteful number, since it uses less digits than its factorization.

113553321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15940.

The product of its digits is 1350, while the sum is 24.

The square root of 113553321 is about 10656.1400610165. The cubic root of 113553321 is about 484.2466370979.

The spelling of 113553321 in words is "one hundred thirteen million, five hundred fifty-three thousand, three hundred twenty-one".