2291325 has 24 divisors (see below), whose sum is σ = 3833088. Its totient is φ = 1207680.

The previous prime is 2291287. The next prime is 2291327. The reversal of 2291325 is 5231922.

It is not a de Polignac number, because 2291325 - 2⁷ = 2291197 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2291295 and 2291304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2291327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10164 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (159712).

2^2291325 is an apocalyptic number.

2291325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2291325 is a deficient number, since it is larger than the sum of its proper divisors (1541763).

2291325 is a wasteful number, since it uses less digits than its factorization.

2291325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 368 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 2291325 is about 1513.7123240563. The cubic root of 2291325 is about 131.8344458007.

The spelling of 2291325 in words is "two million, two hundred ninety-one thousand, three hundred twenty-five".