2731552 has 12 divisors (see below), whose sum is σ = 5377806. Its totient is φ = 1365760.

The previous prime is 2731541. The next prime is 2731559. The reversal of 2731552 is 2551372.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 646416 = 1444^2 + 804^2 .

It is a super-2 number, since 2×2731552² = 14922752657408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42649 + ... + 42712.

2^2731552 is an apocalyptic number.

It is an amenable number.

2731552 is a deficient number, since it is larger than the sum of its proper divisors (2646254).

2731552 is an equidigital number, since it uses as much as digits as its factorization.

2731552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85371 (or 85363 counting only the distinct ones).

The product of its digits is 2100, while the sum is 25.

The square root of 2731552 is about 1652.7407540204. The cubic root of 2731552 is about 139.7879783878.

The spelling of 2731552 in words is "two million, seven hundred thirty-one thousand, five hundred fifty-two".