2748457 has 2 divisors, whose sum is σ = 2748458. Its totient is φ = 2748456.

The previous prime is 2748443. The next prime is 2748467. The reversal of 2748457 is 7548472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2343961 + 404496 = 1531^2 + 636^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748457 - 2¹¹ = 2746409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2748467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374228 + 1374229.

It is an arithmetic number, because the mean of its divisors is an integer number (1374229).

2^2748457 is an apocalyptic number.

It is an amenable number.

2748457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748457 is an equidigital number, since it uses as much as digits as its factorization.

2748457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62720, while the sum is 37.

The square root of 2748457 is about 1657.8470978953. The cubic root of 2748457 is about 140.0757583172.

It can be divided in two parts, 27 and 48457, that added together give a palindrome (48484).

The spelling of 2748457 in words is "two million, seven hundred forty-eight thousand, four hundred fifty-seven".