2055481 has 2 divisors, whose sum is σ = 2055482. Its totient is φ = 2055480.

The previous prime is 2055479. The next prime is 2055497. The reversal of 2055481 is 1845502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1960000 + 95481 = 1400^2 + 309^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055481 - 2¹ = 2055479 is a prime.

It is a super-2 number, since 2×2055481² = 8450004282722, which contains 22 as substring.

Together with 2055479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2050481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027740 + 1027741.

It is an arithmetic number, because the mean of its divisors is an integer number (1027741).

2^2055481 is an apocalyptic number.

It is an amenable number.

2055481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055481 is an equidigital number, since it uses as much as digits as its factorization.

2055481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2055481 is about 1433.6948768828. The cubic root of 2055481 is about 127.1465231808.

The spelling of 2055481 in words is "two million, fifty-five thousand, four hundred eighty-one".