2655481 has 2 divisors, whose sum is σ = 2655482. Its totient is φ = 2655480.

The previous prime is 2655479. The next prime is 2655517. The reversal of 2655481 is 1845562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 95481 = 1600^2 + 309^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655481 - 2¹ = 2655479 is a prime.

It is a super-2 number, since 2×2655481² = 14103158682722, which contains 22 as substring.

Together with 2655479, it forms a pair of twin primes.

It is a Chen prime.

2655481 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2655431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327740 + 1327741.

It is an arithmetic number, because the mean of its divisors is an integer number (1327741).

2^2655481 is an apocalyptic number.

It is an amenable number.

2655481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655481 is an equidigital number, since it uses as much as digits as its factorization.

2655481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

The square root of 2655481 is about 1629.5646657927. The cubic root of 2655481 is about 138.4780904318.

It can be divided in two parts, 2655 and 481, that added together give a square (3136 = 56²).

The spelling of 2655481 in words is "two million, six hundred fifty-five thousand, four hundred eighty-one".