7545825 has 48 divisors (see below), whose sum is σ = 15852160. Its totient is φ = 3447360.

The previous prime is 7545799. The next prime is 7545827. The reversal of 7545825 is 5285457.

It is a happy number.

7545825 is a `hidden beast` number, since 75 + 4 + 582 + 5 = 666.

It is not a de Polignac number, because 7545825 - 2⁷ = 7545697 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7545825.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7545827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3927 + ... + 5523.

Almost surely, 2^7545825 is an apocalyptic number.

7545825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7545825 is an abundant number, since it is smaller than the sum of its proper divisors (8306335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7545825 is a wasteful number, since it uses less digits than its factorization.

7545825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1612 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 7545825 is about 2746.9665087147. The cubic root of 7545825 is about 196.1412368791.

The spelling of 7545825 in words is "seven million, five hundred forty-five thousand, eight hundred twenty-five".