7553925 has 72 divisors (see below), whose sum is σ = 15118080. Its totient is φ = 3693600.

The previous prime is 7553921. The next prime is 7553927. The reversal of 7553925 is 5293557.

It is not a de Polignac number, because 7553925 - 2² = 7553921 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7553925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7553921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 243660 + ... + 243690.

Almost surely, 2^7553925 is an apocalyptic number.

7553925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7553925 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

7553925 is a wasteful number, since it uses less digits than its factorization.

7553925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 58 counting only the distinct ones).

The product of its digits is 47250, while the sum is 36.

The square root of 7553925 is about 2748.4404668830. The cubic root of 7553925 is about 196.2113938150.

The spelling of 7553925 in words is "seven million, five hundred fifty-three thousand, nine hundred twenty-five".