2771263 has 12 divisors (see below), whose sum is σ = 3133480. Its totient is φ = 2447280.

The previous prime is 2771257. The next prime is 2771273. The reversal of 2771263 is 3621772.

It is not a de Polignac number, because 2771263 - 2¹³ = 2763071 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4168 + ... + 4786.

2^2771263 is an apocalyptic number.

2771263 is a deficient number, since it is larger than the sum of its proper divisors (362217).

2771263 is a wasteful number, since it uses less digits than its factorization.

2771263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 667 counting only the distinct ones).

The product of its digits is 3528, while the sum is 28.

The square root of 2771263 is about 1664.7110860447. The cubic root of 2771263 is about 140.4621293304.

It can be divided in two parts, 277 and 1263, that added together give a triangular number (1540 = T₅₅).

The spelling of 2771263 in words is "two million, seven hundred seventy-one thousand, two hundred sixty-three".