2117502 has 24 divisors (see below), whose sum is σ = 4758936. Its totient is φ = 705672.

The previous prime is 2117501. The next prime is 2117513. The reversal of 2117502 is 2057112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117501) 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, 1693 + ... + 2664.

It is an arithmetic number, because the mean of its divisors is an integer number (198289).

2^2117502 is an apocalyptic number.

2117502 is an abundant number, since it is smaller than the sum of its proper divisors (2641434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2117502 is an equidigital number, since it uses as much as digits as its factorization.

2117502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374 (or 4362 counting only the distinct ones).

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

The square root of 2117502 is about 1455.1639082935. The cubic root of 2117502 is about 128.4126898105.

The spelling of 2117502 in words is "two million, one hundred seventeen thousand, five hundred two".