7457125 has 24 divisors (see below), whose sum is σ = 10105992. Its totient is φ = 5491200.

The previous prime is 7457123. The next prime is 7457137. The reversal of 7457125 is 5217547.

7457125 is digitally balanced in base 3, 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 12 ways, for example, as 7322436 + 134689 = 2706^2 + 367^2 .

It is not a de Polignac number, because 7457125 - 2¹ = 7457123 is a prime.

7457125 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7457123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20949 + ... + 21301.

It is an arithmetic number, because the mean of its divisors is an integer number (421083).

Almost surely, 2^7457125 is an apocalyptic number.

It is an amenable number.

7457125 is a deficient number, since it is larger than the sum of its proper divisors (2648867).

7457125 is a wasteful number, since it uses less digits than its factorization.

7457125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 371 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 7457125 is about 2730.7736998880. The cubic root of 7457125 is about 195.3696691313.

The spelling of 7457125 in words is "seven million, four hundred fifty-seven thousand, one hundred twenty-five".