2290525 has 6 divisors (see below), whose sum is σ = 2840282. Its totient is φ = 1832400.

The previous prime is 2290523. The next prime is 2290537. The reversal of 2290525 is 5250922.

It can be written as a sum of positive squares in 3 ways, for example, as 257049 + 2033476 = 507^2 + 1426^2 .

It is not a de Polignac number, because 2290525 - 2¹ = 2290523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 91621 = 2290525 / (2 + 2 + 9 + 0 + 5 + 2 + 5).

It is a d-powerful number, because it can be written as 2 + 2¹⁷ + 9⁵ + 0 + 5³ + 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 2290525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45786 + ... + 45835.

2^2290525 is an apocalyptic number.

2290525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2290525 is a deficient number, since it is larger than the sum of its proper divisors (549757).

2290525 is an equidigital number, since it uses as much as digits as its factorization.

2290525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91631 (or 91626 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2290525 is about 1513.4480499839. The cubic root of 2290525 is about 131.8191009917.

The spelling of 2290525 in words is "two million, two hundred ninety thousand, five hundred twenty-five".