2548739 has 4 divisors (see below), whose sum is σ = 2608056. Its totient is φ = 2489424.

The previous prime is 2548703. The next prime is 2548751. The reversal of 2548739 is 9378452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2548739 - 2¹² = 2544643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2548769) 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, 29594 + ... + 29679.

It is an arithmetic number, because the mean of its divisors is an integer number (652014).

2^2548739 is an apocalyptic number.

2548739 is a deficient number, since it is larger than the sum of its proper divisors (59317).

2548739 is an equidigital number, since it uses as much as digits as its factorization.

2548739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59316.

The product of its digits is 60480, while the sum is 38.

The square root of 2548739 is about 1596.4770590272. The cubic root of 2548739 is about 136.5971971611.

The spelling of 2548739 in words is "two million, five hundred forty-eight thousand, seven hundred thirty-nine".