2773161125 has 48 divisors (see below), whose sum is σ = 4262931504. Its totient is φ = 1789670400.

The previous prime is 2773161119. The next prime is 2773161133. The reversal of 2773161125 is 5211613772.

It can be written as a sum of positive squares in 8 ways, for example, as 35988001 + 2737173124 = 5999^2 + 52318^2 .

It is not a de Polignac number, because 2773161125 - 2⁸ = 2773160869 is a prime.

It is a super-2 number, since 2×2773161125² = 15380845250422531250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90809 + ... + 117441.

It is an arithmetic number, because the mean of its divisors is an integer number (88811073).

Almost surely, 2^2773161125 is an apocalyptic number.

2773161125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2773161125 is a deficient number, since it is larger than the sum of its proper divisors (1489770379).

2773161125 is a wasteful number, since it uses less digits than its factorization.

2773161125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26679 (or 26662 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 2773161125 is about 52660.8120427325. The cubic root of 2773161125 is about 1404.9419098503.

Adding to 2773161125 its reverse (5211613772), we get a palindrome (7984774897).

The spelling of 2773161125 in words is "two billion, seven hundred seventy-three million, one hundred sixty-one thousand, one hundred twenty-five".