2101415 has 12 divisors (see below), whose sum is σ = 2600136. Its totient is φ = 1630368.

The previous prime is 2101391. The next prime is 2101423. The reversal of 2101415 is 5141012.

It is not a de Polignac number, because 2101415 - 2¹⁶ = 2035879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2101415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6692 + ... + 6998.

It is an arithmetic number, because the mean of its divisors is an integer number (216678).

2^2101415 is an apocalyptic number.

2101415 is a deficient number, since it is larger than the sum of its proper divisors (498721).

2101415 is an equidigital number, since it uses as much as digits as its factorization.

2101415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2101415 is about 1449.6258137878. The cubic root of 2101415 is about 128.0866722557.

Adding to 2101415 its reverse (5141012), we get a palindrome (7242427).

The spelling of 2101415 in words is "two million, one hundred one thousand, four hundred fifteen".