7445897 has 2 divisors, whose sum is σ = 7445898. Its totient is φ = 7445896.

The previous prime is 7445873. The next prime is 7445939. The reversal of 7445897 is 7985447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5779216 + 1666681 = 2404^2 + 1291^2 .

It is a cyclic number.

It is not a de Polignac number, because 7445897 - 2¹⁰ = 7444873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7445857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722948 + 3722949.

It is an arithmetic number, because the mean of its divisors is an integer number (3722949).

Almost surely, 2^7445897 is an apocalyptic number.

It is an amenable number.

7445897 is a deficient number, since it is larger than the sum of its proper divisors (1).

7445897 is an equidigital number, since it uses as much as digits as its factorization.

7445897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 44.

The square root of 7445897 is about 2728.7170978319. The cubic root of 7445897 is about 195.2715655270.

The spelling of 7445897 in words is "seven million, four hundred forty-five thousand, eight hundred ninety-seven".