2774561252 has 12 divisors (see below), whose sum is σ = 4876686780. Its totient is φ = 1381222176.

The previous prime is 2774561221. The next prime is 2774561329. The reversal of 2774561252 is 2521654772.

It can be written as a sum of positive squares in 2 ways, for example, as 1409702116 + 1364859136 = 37546^2 + 36944^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513583 + ... + 1515414.

It is an arithmetic number, because the mean of its divisors is an integer number (406390565).

Almost surely, 2^2774561252 is an apocalyptic number.

It is an amenable number.

2774561252 is a deficient number, since it is larger than the sum of its proper divisors (2102125528).

2774561252 is a wasteful number, since it uses less digits than its factorization.

2774561252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029230 (or 3029228 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 2774561252 is about 52674.1041879214. The cubic root of 2774561252 is about 1405.1783146910.

The spelling of 2774561252 in words is "two billion, seven hundred seventy-four million, five hundred sixty-one thousand, two hundred fifty-two".