2498657 has 6 divisors (see below), whose sum is σ = 2906658. Its totient is φ = 2141664.

The previous prime is 2498653. The next prime is 2498659. The reversal of 2498657 is 7568942.

It can be written as a sum of positive squares in only one way, i.e., 1366561 + 1132096 = 1169^2 + 1064^2 .

It is not a de Polignac number, because 2498657 - 2² = 2498653 is a prime.

It is a d-powerful number, because it can be written as 2 + 4³ + 9³ + 8⁷ + 6⁷ + 5⁵ + 7⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2498653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25448 + ... + 25545.

It is an arithmetic number, because the mean of its divisors is an integer number (484443).

2^2498657 is an apocalyptic number.

It is an amenable number.

2498657 is a deficient number, since it is larger than the sum of its proper divisors (408001).

2498657 is an equidigital number, since it uses as much as digits as its factorization.

2498657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51007 (or 51000 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 2498657 is about 1580.7140791427. The cubic root of 2498657 is about 135.6965733908.

The spelling of 2498657 in words is "two million, four hundred ninety-eight thousand, six hundred fifty-seven".