2549479 has 2 divisors, whose sum is σ = 2549480. Its totient is φ = 2549478.

The previous prime is 2549461. The next prime is 2549531. The reversal of 2549479 is 9749452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2549479 - 2⁵ = 2549447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2549429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274739 + 1274740.

It is an arithmetic number, because the mean of its divisors is an integer number (1274740).

2^2549479 is an apocalyptic number.

2549479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549479 is an equidigital number, since it uses as much as digits as its factorization.

2549479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 2549479 is about 1596.7088025060. The cubic root of 2549479 is about 136.6104157429.

The spelling of 2549479 in words is "two million, five hundred forty-nine thousand, four hundred seventy-nine".