113277521 has 4 divisors (see below), whose sum is σ = 129460032. Its totient is φ = 97095012.

The previous prime is 113277481. The next prime is 113277529. The reversal of 113277521 is 125772311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 113277521 - 2¹⁸ = 113015377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113277529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8091245 + ... + 8091258.

It is an arithmetic number, because the mean of its divisors is an integer number (32365008).

Almost surely, 2^113277521 is an apocalyptic number.

It is an amenable number.

113277521 is a deficient number, since it is larger than the sum of its proper divisors (16182511).

113277521 is an equidigital number, since it uses as much as digits as its factorization.

113277521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16182510.

The product of its digits is 2940, while the sum is 29.

The square root of 113277521 is about 10643.1912977264. The cubic root of 113277521 is about 483.8542707792.

The spelling of 113277521 in words is "one hundred thirteen million, two hundred seventy-seven thousand, five hundred twenty-one".