7255979 has 2 divisors, whose sum is σ = 7255980. Its totient is φ = 7255978.

The previous prime is 7255961. The next prime is 7255993. The reversal of 7255979 is 9795527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7255979 - 2⁸ = 7255723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7255909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3627989 + 3627990.

It is an arithmetic number, because the mean of its divisors is an integer number (3627990).

Almost surely, 2^7255979 is an apocalyptic number.

7255979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7255979 is an equidigital number, since it uses as much as digits as its factorization.

7255979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 198450, while the sum is 44.

The square root of 7255979 is about 2693.6924471810. The cubic root of 7255979 is about 193.5970219444.

The spelling of 7255979 in words is "seven million, two hundred fifty-five thousand, nine hundred seventy-nine".