7280525 has 12 divisors (see below), whose sum is σ = 10317792. Its totient is φ = 4992240.

The previous prime is 7280521. The next prime is 7280531. The reversal of 7280525 is 5250827.

It is not a de Polignac number, because 7280525 - 2² = 7280521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7280521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20627 + ... + 20976.

It is an arithmetic number, because the mean of its divisors is an integer number (859816).

Almost surely, 2^7280525 is an apocalyptic number.

It is an amenable number.

7280525 is a deficient number, since it is larger than the sum of its proper divisors (3037267).

7280525 is a wasteful number, since it uses less digits than its factorization.

7280525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41620 (or 41615 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 7280525 is about 2698.2447998653. The cubic root of 7280525 is about 193.8150804610.

The spelling of 7280525 in words is "seven million, two hundred eighty thousand, five hundred twenty-five".