2251097 has 4 divisors (see below), whose sum is σ = 2263716. Its totient is φ = 2238480.

The previous prime is 2251061. The next prime is 2251099. The reversal of 2251097 is 7901522.

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 48841 + 2202256 = 221^2 + 1484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2251097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251099) 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, 6038 + ... + 6399.

It is an arithmetic number, because the mean of its divisors is an integer number (565929).

2^2251097 is an apocalyptic number.

It is an amenable number.

2251097 is a deficient number, since it is larger than the sum of its proper divisors (12619).

2251097 is a wasteful number, since it uses less digits than its factorization.

2251097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12618.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2251097 is about 1500.3656221068. The cubic root of 2251097 is about 131.0583622008.

The spelling of 2251097 in words is "two million, two hundred fifty-one thousand, ninety-seven".