7979249 has 2 divisors, whose sum is σ = 7979250. Its totient is φ = 7979248.

The previous prime is 7979243. The next prime is 7979261. The reversal of 7979249 is 9429797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5856400 + 2122849 = 2420^2 + 1457^2 .

It is a cyclic number.

It is not a de Polignac number, because 7979249 - 2²⁰ = 6930673 is a prime.

It is not a weakly prime, because it can be changed into another prime (7979243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3989624 + 3989625.

It is an arithmetic number, because the mean of its divisors is an integer number (3989625).

Almost surely, 2^7979249 is an apocalyptic number.

It is an amenable number.

7979249 is a deficient number, since it is larger than the sum of its proper divisors (1).

7979249 is an equidigital number, since it uses as much as digits as its factorization.

7979249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 7979249 is about 2824.7564496784. The cubic root of 7979249 is about 199.8269252689.

It can be divided in two parts, 7979 and 249, that added together give a palindrome (8228).

The spelling of 7979249 in words is "seven million, nine hundred seventy-nine thousand, two hundred forty-nine".