7141405 has 4 divisors (see below), whose sum is σ = 8569692. Its totient is φ = 5713120.

The previous prime is 7141391. The next prime is 7141417. The reversal of 7141405 is 5041417.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5635876 + 1505529 = 2374^2 + 1227^2 .

It is not a de Polignac number, because 7141405 - 2¹¹ = 7139357 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 714136 + ... + 714145.

It is an arithmetic number, because the mean of its divisors is an integer number (2142423).

Almost surely, 2^7141405 is an apocalyptic number.

It is an amenable number.

7141405 is a deficient number, since it is larger than the sum of its proper divisors (1428287).

7141405 is a wasteful number, since it uses less digits than its factorization.

7141405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428286.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 7141405 is about 2672.3407342628. The cubic root of 7141405 is about 192.5726267814.

The spelling of 7141405 in words is "seven million, one hundred forty-one thousand, four hundred five".