7955489 has 2 divisors, whose sum is σ = 7955490. Its totient is φ = 7955488.

The previous prime is 7955461. The next prime is 7955491. The reversal of 7955489 is 9845597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4804864 + 3150625 = 2192^2 + 1775^2 .

It is a cyclic number.

It is not a de Polignac number, because 7955489 - 2¹⁶ = 7889953 is a prime.

Together with 7955491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7955449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3977744 + 3977745.

It is an arithmetic number, because the mean of its divisors is an integer number (3977745).

Almost surely, 2^7955489 is an apocalyptic number.

It is an amenable number.

7955489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7955489 is an equidigital number, since it uses as much as digits as its factorization.

7955489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 47.

The square root of 7955489 is about 2820.5476418596. The cubic root of 7955489 is about 199.6283849389.

The spelling of 7955489 in words is "seven million, nine hundred fifty-five thousand, four hundred eighty-nine".