2125291 has 4 divisors (see below), whose sum is σ = 2428912. Its totient is φ = 1821672.

The previous prime is 2125273. The next prime is 2125313. The reversal of 2125291 is 1925212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125291 - 2⁵ = 2125259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125691) 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, 151800 + ... + 151813.

It is an arithmetic number, because the mean of its divisors is an integer number (607228).

2^2125291 is an apocalyptic number.

2125291 is a deficient number, since it is larger than the sum of its proper divisors (303621).

2125291 is an equidigital number, since it uses as much as digits as its factorization.

2125291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303620.

The product of its digits is 360, while the sum is 22.

The square root of 2125291 is about 1457.8377824710. The cubic root of 2125291 is about 128.5699478372.

The spelling of 2125291 in words is "two million, one hundred twenty-five thousand, two hundred ninety-one".