2541833221 has 8 divisors (see below), whose sum is σ = 2585721600. Its totient is φ = 2497971840.

The previous prime is 2541833153. The next prime is 2541833227. The reversal of 2541833221 is 1223381452.

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

It is a cyclic number.

It is not a de Polignac number, because 2541833221 - 2³¹ = 394349573 is a prime.

It is a super-2 number, since 2×2541833221² = 12921832246758469682, 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 (2541833227) 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, 307381 + ... + 315541.

It is an arithmetic number, because the mean of its divisors is an integer number (323215200).

Almost surely, 2^2541833221 is an apocalyptic number.

It is an amenable number.

2541833221 is a deficient number, since it is larger than the sum of its proper divisors (43888379).

2541833221 is an equidigital number, since it uses as much as digits as its factorization.

2541833221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13499.

The product of its digits is 11520, while the sum is 31.

The square root of 2541833221 is about 50416.5966820451. The cubic root of 2541833221 is about 1364.7371605893.

The spelling of 2541833221 in words is "two billion, five hundred forty-one million, eight hundred thirty-three thousand, two hundred twenty-one".