7145969 has 2 divisors, whose sum is σ = 7145970. Its totient is φ = 7145968.

The previous prime is 7145953. The next prime is 7145981. The reversal of 7145969 is 9695417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4255969 + 2890000 = 2063^2 + 1700^2 .

It is an emirp because it is prime and its reverse (9695417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7145969 - 2⁴ = 7145953 is a prime.

It is a super-2 number, since 2×7145969² = 102129745897922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7145069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572984 + 3572985.

It is an arithmetic number, because the mean of its divisors is an integer number (3572985).

Almost surely, 2^7145969 is an apocalyptic number.

It is an amenable number.

7145969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145969 is an equidigital number, since it uses as much as digits as its factorization.

7145969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 7145969 is about 2673.1945308937. The cubic root of 7145969 is about 192.6136417872.

The spelling of 7145969 in words is "seven million, one hundred forty-five thousand, nine hundred sixty-nine".