7143025 has 6 divisors (see below), whose sum is σ = 8857382. Its totient is φ = 5714400.

The previous prime is 7143007. The next prime is 7143049. The reversal of 7143025 is 5203417.

It can be written as a sum of positive squares in 3 ways, for example, as 553536 + 6589489 = 744^2 + 2567^2 .

It is not a de Polignac number, because 7143025 - 2¹¹ = 7140977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7142987 and 7143005.

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, 142836 + ... + 142885.

Almost surely, 2^7143025 is an apocalyptic number.

It is an amenable number.

7143025 is a deficient number, since it is larger than the sum of its proper divisors (1714357).

7143025 is a wasteful number, since it uses less digits than its factorization.

7143025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285731 (or 285726 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7143025 is about 2672.6438221357. The cubic root of 7143025 is about 192.5871871314.

The spelling of 7143025 in words is "seven million, one hundred forty-three thousand, twenty-five".