2131802 has 4 divisors (see below), whose sum is σ = 3197706. Its totient is φ = 1065900.

The previous prime is 2131799. The next prime is 2131813. The reversal of 2131802 is 2081312.

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

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 829921 = 1141^2 + 911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532949 + ... + 532952.

2^2131802 is an apocalyptic number.

2131802 is a deficient number, since it is larger than the sum of its proper divisors (1065904).

2131802 is a wasteful number, since it uses less digits than its factorization.

2131802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065903.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2131802 is about 1460.0691764434. The cubic root of 2131802 is about 128.7011087812.

The spelling of 2131802 in words is "two million, one hundred thirty-one thousand, eight hundred two".