7141861 has 4 divisors (see below), whose sum is σ = 7153452. Its totient is φ = 7130272.

The previous prime is 7141843. The next prime is 7141867. The reversal of 7141861 is 1681417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1681417 = 977 ⋅1721.

It can be written as a sum of positive squares in 2 ways, for example, as 4601025 + 2540836 = 2145^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 7141861 - 2⁵ = 7141829 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 (7141867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4816 + ... + 6121.

It is an arithmetic number, because the mean of its divisors is an integer number (1788363).

Almost surely, 2^7141861 is an apocalyptic number.

It is an amenable number.

7141861 is a deficient number, since it is larger than the sum of its proper divisors (11591).

7141861 is a wasteful number, since it uses less digits than its factorization.

7141861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11590.

The product of its digits is 1344, while the sum is 28.

The square root of 7141861 is about 2672.4260513623. The cubic root of 7141861 is about 192.5767254730.

The spelling of 7141861 in words is "seven million, one hundred forty-one thousand, eight hundred sixty-one".