7205481 has 12 divisors (see below), whose sum is σ = 10432500. Its totient is φ = 4792320.

The previous prime is 7205477. The next prime is 7205483. The reversal of 7205481 is 1845027.

It can be written as a sum of positive squares in 2 ways, for example, as 4928400 + 2277081 = 2220^2 + 1509^2 .

It is not a de Polignac number, because 7205481 - 2² = 7205477 is a prime.

It is a super-2 number, since 2×7205481² = 103837912882722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7205483) 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, 5145 + ... + 6393.

It is an arithmetic number, because the mean of its divisors is an integer number (869375).

Almost surely, 2^7205481 is an apocalyptic number.

It is an amenable number.

7205481 is a deficient number, since it is larger than the sum of its proper divisors (3227019).

7205481 is a wasteful number, since it uses less digits than its factorization.

7205481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 7205481 is about 2684.3027027517. The cubic root of 7205481 is about 193.1468630793.

The spelling of 7205481 in words is "seven million, two hundred five thousand, four hundred eighty-one".