2455771 has 2 divisors, whose sum is σ = 2455772. Its totient is φ = 2455770.

The previous prime is 2455763. The next prime is 2455781. The reversal of 2455771 is 1775542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2455771 - 2³ = 2455763 is a prime.

It is a super-4 number, since 4×2455771⁴ (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2455711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227885 + 1227886.

It is an arithmetic number, because the mean of its divisors is an integer number (1227886).

2^2455771 is an apocalyptic number.

2455771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455771 is an equidigital number, since it uses as much as digits as its factorization.

2455771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9800, while the sum is 31.

The square root of 2455771 is about 1567.0899782718. The cubic root of 2455771 is about 134.9157407453.

The spelling of 2455771 in words is "two million, four hundred fifty-five thousand, seven hundred seventy-one".