2115415 has 4 divisors (see below), whose sum is σ = 2538504. Its totient is φ = 1692328.

The previous prime is 2115397. The next prime is 2115427. The reversal of 2115415 is 5145112.

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

It is a cyclic number.

It is not a de Polignac number, because 2115415 - 2¹³ = 2107223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2115392 and 2115401.

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, 211537 + ... + 211546.

It is an arithmetic number, because the mean of its divisors is an integer number (634626).

2^2115415 is an apocalyptic number.

2115415 is a deficient number, since it is larger than the sum of its proper divisors (423089).

2115415 is an equidigital number, since it uses as much as digits as its factorization.

2115415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423088.

The product of its digits is 200, while the sum is 19.

The square root of 2115415 is about 1454.4466301656. The cubic root of 2115415 is about 128.3704882955.

The spelling of 2115415 in words is "two million, one hundred fifteen thousand, four hundred fifteen".