2543330461 has 8 divisors (see below), whose sum is σ = 2907347904. Its totient is φ = 2179484160.

The previous prime is 2543330453. The next prime is 2543330497. The reversal of 2543330461 is 1640333452.

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

It is not a de Polignac number, because 2543330461 - 2³ = 2543330453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543330561) 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, 9175 + ... + 71908.

It is an arithmetic number, because the mean of its divisors is an integer number (363418488).

Almost surely, 2^2543330461 is an apocalyptic number.

It is an amenable number.

2543330461 is a deficient number, since it is larger than the sum of its proper divisors (364017443).

2543330461 is an equidigital number, since it uses as much as digits as its factorization.

2543330461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85571.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 2543330461 is about 50431.4431778429. The cubic root of 2543330461 is about 1365.0050693278.

The spelling of 2543330461 in words is "two billion, five hundred forty-three million, three hundred thirty thousand, four hundred sixty-one".