2115485 has 4 divisors (see below), whose sum is σ = 2538588. Its totient is φ = 1692384.

The previous prime is 2115481. The next prime is 2115493. The reversal of 2115485 is 5845112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 813604 + 1301881 = 902^2 + 1141^2 .

It is a cyclic number.

It is not a de Polignac number, because 2115485 - 2² = 2115481 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115481) 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, 211544 + ... + 211553.

It is an arithmetic number, because the mean of its divisors is an integer number (634647).

2^2115485 is an apocalyptic number.

It is an amenable number.

2115485 is a deficient number, since it is larger than the sum of its proper divisors (423103).

2115485 is an equidigital number, since it uses as much as digits as its factorization.

2115485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423102.

The product of its digits is 1600, while the sum is 26.

The square root of 2115485 is about 1454.4706941015. The cubic root of 2115485 is about 128.3719042249.

The spelling of 2115485 in words is "two million, one hundred fifteen thousand, four hundred eighty-five".