7141561 has 4 divisors (see below), whose sum is σ = 8161792. Its totient is φ = 6121332.

The previous prime is 7141531. The next prime is 7141567. The reversal of 7141561 is 1651417.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1651417 = 487 ⋅3391.

It is not a de Polignac number, because 7141561 - 2⁹ = 7141049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7141567) 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, 510105 + ... + 510118.

It is an arithmetic number, because the mean of its divisors is an integer number (2040448).

Almost surely, 2^7141561 is an apocalyptic number.

It is an amenable number.

7141561 is a deficient number, since it is larger than the sum of its proper divisors (1020231).

7141561 is a wasteful number, since it uses less digits than its factorization.

7141561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020230.

The product of its digits is 840, while the sum is 25.

The square root of 7141561 is about 2672.3699219981. The cubic root of 7141561 is about 192.5740289850.

Adding to 7141561 its reverse (1651417), we get a palindrome (8792978).

The spelling of 7141561 in words is "seven million, one hundred forty-one thousand, five hundred sixty-one".