24542161 has 4 divisors (see below), whose sum is σ = 28048192. Its totient is φ = 21036132.

The previous prime is 24542117. The next prime is 24542179. The reversal of 24542161 is 16124542.

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.

It is a cyclic number.

It is not a de Polignac number, because 24542161 - 2¹³ = 24533969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24542461) 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, 1753005 + ... + 1753018.

It is an arithmetic number, because the mean of its divisors is an integer number (7012048).

Almost surely, 2^24542161 is an apocalyptic number.

It is an amenable number.

24542161 is a deficient number, since it is larger than the sum of its proper divisors (3506031).

24542161 is an equidigital number, since it uses as much as digits as its factorization.

24542161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506030.

The product of its digits is 1920, while the sum is 25.

The square root of 24542161 is about 4954.0045417823. The cubic root of 24542161 is about 290.6057927107.

The spelling of 24542161 in words is "twenty-four million, five hundred forty-two thousand, one hundred sixty-one".