7445925 has 30 divisors (see below), whose sum is σ = 13796178. Its totient is φ = 3970080.

The previous prime is 7445897. The next prime is 7445939. The reversal of 7445925 is 5295447.

It can be written as a sum of positive squares in 3 ways, for example, as 1185921 + 6260004 = 1089^2 + 2502^2 .

It is not a de Polignac number, because 7445925 - 2¹⁶ = 7380389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7445925.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 187 + ... + 3863.

Almost surely, 2^7445925 is an apocalyptic number.

7445925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7445925 is a deficient number, since it is larger than the sum of its proper divisors (6350253).

7445925 is a wasteful number, since it uses less digits than its factorization.

7445925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699 (or 3685 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 7445925 is about 2728.7222284432. The cubic root of 7445925 is about 195.2718102970.

The spelling of 7445925 in words is "seven million, four hundred forty-five thousand, nine hundred twenty-five".