2291425 has 12 divisors (see below), whose sum is σ = 2864896. Its totient is φ = 1818000.

The previous prime is 2291417. The next prime is 2291437. The reversal of 2291425 is 5241922.

It is not a de Polignac number, because 2291425 - 2³ = 2291417 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 9⁵ + 1 + 4⁵ + 2²¹ + 5⁵ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2291425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3472 + ... + 4078.

2^2291425 is an apocalyptic number.

2291425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2291425 is a deficient number, since it is larger than the sum of its proper divisors (573471).

2291425 is a wasteful number, since it uses less digits than its factorization.

2291425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 763 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 2291425 is about 1513.7453550713. The cubic root of 2291425 is about 131.8363636507.

The spelling of 2291425 in words is "two million, two hundred ninety-one thousand, four hundred twenty-five".