2498621 has 4 divisors (see below), whose sum is σ = 2539644. Its totient is φ = 2457600.

The previous prime is 2498603. The next prime is 2498641. The reversal of 2498621 is 1268942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1268942 = 2 ⋅634471.

It can be written as a sum of positive squares in 2 ways, for example, as 1092025 + 1406596 = 1045^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 2498621 - 2¹⁴ = 2482237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2498641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20420 + ... + 20541.

It is an arithmetic number, because the mean of its divisors is an integer number (634911).

2^2498621 is an apocalyptic number.

It is an amenable number.

2498621 is a deficient number, since it is larger than the sum of its proper divisors (41023).

2498621 is an equidigital number, since it uses as much as digits as its factorization.

2498621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41022.

The product of its digits is 6912, while the sum is 32.

The square root of 2498621 is about 1580.7026918431. The cubic root of 2498621 is about 135.6959216941.

The spelling of 2498621 in words is "two million, four hundred ninety-eight thousand, six hundred twenty-one".