7525385 has 16 divisors (see below), whose sum is σ = 10407936. Its totient is φ = 5116608.

The previous prime is 7525381. The next prime is 7525403. The reversal of 7525385 is 5835257.

It is not a de Polignac number, because 7525385 - 2² = 7525381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7525381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3599 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (650496).

Almost surely, 2^7525385 is an apocalyptic number.

It is an amenable number.

7525385 is a deficient number, since it is larger than the sum of its proper divisors (2882551).

7525385 is a wasteful number, since it uses less digits than its factorization.

7525385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its digits is 42000, while the sum is 35.

The square root of 7525385 is about 2743.2435181733. The cubic root of 7525385 is about 195.9639754005.

The spelling of 7525385 in words is "seven million, five hundred twenty-five thousand, three hundred eighty-five".