2498688521 has 8 divisors (see below), whose sum is σ = 2856097920. Its totient is φ = 2141392608.

The previous prime is 2498688473. The next prime is 2498688547. The reversal of 2498688521 is 1258868942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2498688521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2498688121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25685 + ... + 75213.

It is an arithmetic number, because the mean of its divisors is an integer number (357012240).

Almost surely, 2^2498688521 is an apocalyptic number.

It is an amenable number.

2498688521 is a deficient number, since it is larger than the sum of its proper divisors (357409399).

2498688521 is an equidigital number, since it uses as much as digits as its factorization.

2498688521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56743.

The product of its digits is 2211840, while the sum is 53.

The square root of 2498688521 is about 49986.8834895715. The cubic root of 2498688521 is about 1356.9714400054.

The spelling of 2498688521 in words is "two billion, four hundred ninety-eight million, six hundred eighty-eight thousand, five hundred twenty-one".