113213553 has 8 divisors (see below), whose sum is σ = 154163328. Its totient is φ = 73869744.

The previous prime is 113213549. The next prime is 113213561. The reversal of 113213553 is 355312311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113213553 - 2² = 113213549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113213563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401326 + ... + 401607.

It is an arithmetic number, because the mean of its divisors is an integer number (19270416).

Almost surely, 2^113213553 is an apocalyptic number.

It is an amenable number.

113213553 is a deficient number, since it is larger than the sum of its proper divisors (40949775).

113213553 is an equidigital number, since it uses as much as digits as its factorization.

113213553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802983.

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

The square root of 113213553 is about 10640.1857596566. The cubic root of 113213553 is about 483.7631758658.

Adding to 113213553 its reverse (355312311), we get a palindrome (468525864).

The spelling of 113213553 in words is "one hundred thirteen million, two hundred thirteen thousand, five hundred fifty-three".