2261525 has 12 divisors (see below), whose sum is σ = 3205152. Its totient is φ = 1550640.

The previous prime is 2261509. The next prime is 2261531. The reversal of 2261525 is 5251622.

It is not a de Polignac number, because 2261525 - 2⁴ = 2261509 is a prime.

It is a super-2 number, since 2×2261525² = 10228990651250, which contains 22 as substring.

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 2261525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6287 + ... + 6636.

It is an arithmetic number, because the mean of its divisors is an integer number (267096).

2^2261525 is an apocalyptic number.

2261525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2261525 is a deficient number, since it is larger than the sum of its proper divisors (943627).

2261525 is a wasteful number, since it uses less digits than its factorization.

2261525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12940 (or 12935 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 2261525 is about 1503.8367597582. The cubic root of 2261525 is about 131.2604224528.

The spelling of 2261525 in words is "two million, two hundred sixty-one thousand, five hundred twenty-five".