872448541 has 4 divisors (see below), whose sum is σ = 872653500. Its totient is φ = 872243584.

The previous prime is 872448527. The next prime is 872448547. The reversal of 872448541 is 145844278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145844278 = 2 ⋅72922139.

It can be written as a sum of positive squares in 2 ways, for example, as 10791225 + 861657316 = 3285^2 + 29354^2 .

It is a cyclic number.

It is not a de Polignac number, because 872448541 - 2⁵ = 872448509 is a prime.

It is a super-2 number, since 2×872448541² = 1522332913386057362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872448547) 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, 95956 + ... + 104653.

It is an arithmetic number, because the mean of its divisors is an integer number (218163375).

Almost surely, 2^872448541 is an apocalyptic number.

It is an amenable number.

872448541 is a deficient number, since it is larger than the sum of its proper divisors (204959).

872448541 is a wasteful number, since it uses less digits than its factorization.

872448541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204958.

The product of its digits is 286720, while the sum is 43.

The square root of 872448541 is about 29537.2399015209. The cubic root of 872448541 is about 955.5350166794.

The spelling of 872448541 in words is "eight hundred seventy-two million, four hundred forty-eight thousand, five hundred forty-one".