2748157 has 2 divisors, whose sum is σ = 2748158. Its totient is φ = 2748156.

The previous prime is 2748149. The next prime is 2748167. The reversal of 2748157 is 7518472.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2579236 + 168921 = 1606^2 + 411^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748157 - 2³ = 2748149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2748167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374078 + 1374079.

It is an arithmetic number, because the mean of its divisors is an integer number (1374079).

2^2748157 is an apocalyptic number.

It is an amenable number.

2748157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748157 is an equidigital number, since it uses as much as digits as its factorization.

2748157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 34.

The square root of 2748157 is about 1657.7566166359. The cubic root of 2748157 is about 140.0706616082.

It can be divided in two parts, 27 and 48157, that added together give a palindrome (48184).

The spelling of 2748157 in words is "two million, seven hundred forty-eight thousand, one hundred fifty-seven".