2102715 has 12 divisors (see below), whose sum is σ = 3644784. Its totient is φ = 1121424.

The previous prime is 2102693. The next prime is 2102717. The reversal of 2102715 is 5172012.

It is not a de Polignac number, because 2102715 - 2⁶ = 2102651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23319 + ... + 23408.

It is an arithmetic number, because the mean of its divisors is an integer number (303732).

2^2102715 is an apocalyptic number.

2102715 is a deficient number, since it is larger than the sum of its proper divisors (1542069).

2102715 is a wasteful number, since it uses less digits than its factorization.

2102715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46738 (or 46735 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2102715 is about 1450.0741360358. The cubic root of 2102715 is about 128.1130795969.

Adding to 2102715 its reverse (5172012), we get a palindrome (7274727).

It can be divided in two parts, 210271 and 5, that added together give a triangular number (210276 = T₆₄₈).

The spelling of 2102715 in words is "two million, one hundred two thousand, seven hundred fifteen".