2498561 has 8 divisors (see below), whose sum is σ = 2729664. Its totient is φ = 2273040.

The previous prime is 2498539. The next prime is 2498593. The reversal of 2498561 is 1658942.

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

It is a cyclic number.

It is not a de Polignac number, because 2498561 - 2¹⁴ = 2482177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2498521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (341208).

It is a Proth number, since it is equal to 305 ⋅ 2¹³ + 1 and 305 < 2¹³.

2^2498561 is an apocalyptic number.

It is an amenable number.

2498561 is a deficient number, since it is larger than the sum of its proper divisors (231103).

2498561 is a wasteful number, since it uses less digits than its factorization.

2498561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791.

The product of its digits is 17280, while the sum is 35.

The square root of 2498561 is about 1580.6837128281. The cubic root of 2498561 is about 135.6948355189.

The spelling of 2498561 in words is "two million, four hundred ninety-eight thousand, five hundred sixty-one".