2130097 has 4 divisors (see below), whose sum is σ = 2133540. Its totient is φ = 2126656.

The previous prime is 2130061. The next prime is 2130101. The reversal of 2130097 is 7900312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1132096 + 998001 = 1064^2 + 999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130097 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508 + ... + 2125.

It is an arithmetic number, because the mean of its divisors is an integer number (533385).

2^2130097 is an apocalyptic number.

It is an amenable number.

2130097 is a deficient number, since it is larger than the sum of its proper divisors (3443).

2130097 is an equidigital number, since it uses as much as digits as its factorization.

2130097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 2130097 is about 1459.4851832067. The cubic root of 2130097 is about 128.6667882209. Note that the first 3 decimals are identical.

The spelling of 2130097 in words is "two million, one hundred thirty thousand, ninety-seven".