7409525 has 18 divisors (see below), whose sum is σ = 9708642. Its totient is φ = 5608800.

The previous prime is 7409497. The next prime is 7409531. The reversal of 7409525 is 5259047.

It can be written as a sum of positive squares in 3 ways, for example, as 130321 + 7279204 = 361^2 + 2698^2 .

It is not a de Polignac number, because 7409525 - 2¹² = 7405429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7409491 and 7409500.

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 17 ways as a sum of consecutive naturals, for example, 8615 + ... + 9435.

It is an arithmetic number, because the mean of its divisors is an integer number (539369).

Almost surely, 2^7409525 is an apocalyptic number.

It is an amenable number.

7409525 is a deficient number, since it is larger than the sum of its proper divisors (2299117).

7409525 is a wasteful number, since it uses less digits than its factorization.

7409525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 7409525 is about 2722.0442685599. The cubic root of 7409525 is about 194.9530897459.

The spelling of 7409525 in words is "seven million, four hundred nine thousand, five hundred twenty-five".