2285265481 has 2 divisors, whose sum is σ = 2285265482. Its totient is φ = 2285265480.

The previous prime is 2285265461. The next prime is 2285265529. The reversal of 2285265481 is 1845625822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1827990025 + 457275456 = 42755^2 + 21384^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285265481 - 2¹¹ = 2285263433 is a prime.

It is a super-2 number, since 2×2285265481² = 10444876637300322722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2285265461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142632740 + 1142632741.

It is an arithmetic number, because the mean of its divisors is an integer number (1142632741).

Almost surely, 2^2285265481 is an apocalyptic number.

It is an amenable number.

2285265481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2285265481 is an equidigital number, since it uses as much as digits as its factorization.

2285265481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 307200, while the sum is 43.

The square root of 2285265481 is about 47804.4504308961. The cubic root of 2285265481 is about 1317.1812903089.

The spelling of 2285265481 in words is "two billion, two hundred eighty-five million, two hundred sixty-five thousand, four hundred eighty-one".