2187526441 has 3 divisors (see below), whose sum is σ = 2187573213. Its totient is φ = 2187479670.

The previous prime is 2187526409. The next prime is 2187526477. The reversal of 2187526441 is 1446257812.

The square root of 2187526441 is 46771.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2187526441 - 2⁵ = 2187526409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2187526394 and 2187526403.

It is not an unprimeable number, because it can be changed into a prime (2187526141) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23386 + ... + 70156.

It is an arithmetic number, because the mean of its divisors is an integer number (729191071).

Almost surely, 2^2187526441 is an apocalyptic number.

2187526441 is the 46771-st square number.

2187526441 is the 23386-th centered octagonal number.

It is an amenable number.

2187526441 is a deficient number, since it is larger than the sum of its proper divisors (46772).

2187526441 is an frugal number, since it uses more digits than its factorization.

2187526441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93542 (or 46771 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The cubic root of 2187526441 is about 1298.1287557174.

The spelling of 2187526441 in words is "two billion, one hundred eighty-seven million, five hundred twenty-six thousand, four hundred forty-one".