2285521025 has 12 divisors (see below), whose sum is σ = 2834640000. Its totient is φ = 1828033680.

The previous prime is 2285521019. The next prime is 2285521033. The reversal of 2285521025 is 5201255822.

It is not a de Polignac number, because 2285521025 - 2²² = 2281326721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2285520982 and 2285521000.

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, 219896 + ... + 230054.

It is an arithmetic number, because the mean of its divisors is an integer number (236220000).

Almost surely, 2^2285521025 is an apocalyptic number.

2285521025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2285521025 is a deficient number, since it is larger than the sum of its proper divisors (549118975).

2285521025 is a wasteful number, since it uses less digits than its factorization.

2285521025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19168 (or 19163 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 2285521025 is about 47807.1231617214. The cubic root of 2285521025 is about 1317.2303852948.

Adding to 2285521025 its reverse (5201255822), we get a palindrome (7486776847).

The spelling of 2285521025 in words is "two billion, two hundred eighty-five million, five hundred twenty-one thousand, twenty-five".