7127825 has 6 divisors (see below), whose sum is σ = 8838534. Its totient is φ = 5702240.

The previous prime is 7127819. The next prime is 7127893. The reversal of 7127825 is 5287217.

It can be written as a sum of positive squares in 3 ways, for example, as 2163841 + 4963984 = 1471^2 + 2228^2 .

It is not a de Polignac number, because 7127825 - 2¹² = 7123729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7127791 and 7127800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142532 + ... + 142581.

It is an arithmetic number, because the mean of its divisors is an integer number (1473089).

Almost surely, 2^7127825 is an apocalyptic number.

It is an amenable number.

7127825 is a deficient number, since it is larger than the sum of its proper divisors (1710709).

7127825 is a wasteful number, since it uses less digits than its factorization.

7127825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285123 (or 285118 counting only the distinct ones).

The product of its digits is 7840, while the sum is 32.

The square root of 7127825 is about 2669.7986815489. The cubic root of 7127825 is about 192.4504848191.

The spelling of 7127825 in words is "seven million, one hundred twenty-seven thousand, eight hundred twenty-five".