7125289 has 4 divisors (see below), whose sum is σ = 7133056. Its totient is φ = 7117524.

The previous prime is 7125281. The next prime is 7125299. The reversal of 7125289 is 9825217.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9825217 = 157 ⋅62581.

It is a cyclic number.

It is not a de Polignac number, because 7125289 - 2³ = 7125281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7125281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2289 + ... + 4414.

It is an arithmetic number, because the mean of its divisors is an integer number (1783264).

Almost surely, 2^7125289 is an apocalyptic number.

It is an amenable number.

7125289 is a deficient number, since it is larger than the sum of its proper divisors (7767).

7125289 is a wasteful number, since it uses less digits than its factorization.

7125289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7766.

The product of its digits is 10080, while the sum is 34.

The square root of 7125289 is about 2669.3236971188. The cubic root of 7125289 is about 192.4276582055.

The spelling of 7125289 in words is "seven million, one hundred twenty-five thousand, two hundred eighty-nine".