7481925 has 36 divisors (see below), whose sum is σ = 14624064. Its totient is φ = 3626400.

The previous prime is 7481917. The next prime is 7481927. The reversal of 7481925 is 5291847.

It is not a de Polignac number, because 7481925 - 2³ = 7481917 is a prime.

7481925 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7481925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7481927) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 964 + ... + 3986.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 2^7481925 is an apocalyptic number.

7481925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7481925 is a deficient number, since it is larger than the sum of its proper divisors (7142139).

7481925 is a wasteful number, since it uses less digits than its factorization.

7481925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050 (or 3042 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 7481925 is about 2735.3107684503. The cubic root of 7481925 is about 195.5860083835.

The spelling of 7481925 in words is "seven million, four hundred eighty-one thousand, nine hundred twenty-five".