7725261 has 16 divisors (see below), whose sum is σ = 10640448. Its totient is φ = 4982400.

The previous prime is 7725241. The next prime is 7725269. The reversal of 7725261 is 1625277.

It is not a de Polignac number, because 7725261 - 2²² = 3530957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7725269) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22090 + ... + 22436.

It is an arithmetic number, because the mean of its divisors is an integer number (665028).

Almost surely, 2^7725261 is an apocalyptic number.

It is an amenable number.

7725261 is a deficient number, since it is larger than the sum of its proper divisors (2915187).

7725261 is a wasteful number, since it uses less digits than its factorization.

7725261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its digits is 5880, while the sum is 30.

The square root of 7725261 is about 2779.4353743162. The cubic root of 7725261 is about 197.6837876868.

The spelling of 7725261 in words is "seven million, seven hundred twenty-five thousand, two hundred sixty-one".