2498521 has 2 divisors, whose sum is σ = 2498522. Its totient is φ = 2498520.

The previous prime is 2498453. The next prime is 2498527. The reversal of 2498521 is 1258942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1792921 + 705600 = 1339^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2498521 - 2⁷ = 2498393 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 4⁹ + 9⁵ + 8⁷ + 5⁷ + 2¹¹ + 1 .

It is not a weakly prime, because it can be changed into another prime (2498527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249260 + 1249261.

It is an arithmetic number, because the mean of its divisors is an integer number (1249261).

2^2498521 is an apocalyptic number.

It is an amenable number.

2498521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2498521 is an equidigital number, since it uses as much as digits as its factorization.

2498521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 2498521 is about 1580.6710600248. The cubic root of 2498521 is about 135.6941113924.

The spelling of 2498521 in words is "two million, four hundred ninety-eight thousand, five hundred twenty-one".