2541763221 has 8 divisors (see below), whose sum is σ = 3390308544. Its totient is φ = 1693863360.

The previous prime is 2541763207. The next prime is 2541763223. The reversal of 2541763221 is 1223671452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2541763221 - 2⁷ = 2541763093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541763223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152100 + ... + 167981.

It is an arithmetic number, because the mean of its divisors is an integer number (423788568).

Almost surely, 2^2541763221 is an apocalyptic number.

It is an amenable number.

2541763221 is a deficient number, since it is larger than the sum of its proper divisors (848545323).

2541763221 is a wasteful number, since it uses less digits than its factorization.

2541763221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322731.

The product of its digits is 20160, while the sum is 33.

The square root of 2541763221 is about 50415.9024614258. The cubic root of 2541763221 is about 1364.7246325606.

The spelling of 2541763221 in words is "two billion, five hundred forty-one million, seven hundred sixty-three thousand, two hundred twenty-one".