2455335581 has 2 divisors, whose sum is σ = 2455335582. Its totient is φ = 2455335580.

The previous prime is 2455335523. The next prime is 2455335587. The reversal of 2455335581 is 1855335542.

It is a happy number.

2455335581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1390618681 + 1064716900 = 37291^2 + 32630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2455335581 is a prime.

It is a super-2 number, since 2×2455335581² = 12057345630649215122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2455335587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227667790 + 1227667791.

It is an arithmetic number, because the mean of its divisors is an integer number (1227667791).

Almost surely, 2^2455335581 is an apocalyptic number.

It is an amenable number.

2455335581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455335581 is an equidigital number, since it uses as much as digits as its factorization.

2455335581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360000, while the sum is 41.

The square root of 2455335581 is about 49551.3428778676. The cubic root of 2455335581 is about 1349.0776655595.

The spelling of 2455335581 in words is "two billion, four hundred fifty-five million, three hundred thirty-five thousand, five hundred eighty-one".