9143725 has 6 divisors (see below), whose sum is σ = 11338250. Its totient is φ = 7314960.

The previous prime is 9143723. The next prime is 9143737. The reversal of 9143725 is 5273419.

9143725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 227529 + 8916196 = 477^2 + 2986^2 .

It is not a de Polignac number, because 9143725 - 2¹ = 9143723 is a prime.

9143725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9143723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182850 + ... + 182899.

Almost surely, 2^9143725 is an apocalyptic number.

It is an amenable number.

9143725 is a deficient number, since it is larger than the sum of its proper divisors (2194525).

9143725 is a wasteful number, since it uses less digits than its factorization.

9143725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365759 (or 365754 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 9143725 is about 3023.8592890543. The cubic root of 9143725 is about 209.1097993760.

The spelling of 9143725 in words is "nine million, one hundred forty-three thousand, seven hundred twenty-five".