2543024261 has 8 divisors (see below), whose sum is σ = 2553891480. Its totient is φ = 2532169728.

The previous prime is 2543024249. The next prime is 2543024287. The reversal of 2543024261 is 1624203452.

2543024261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 73530625 + 2469493636 = 8575^2 + 49694^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2543024261 is a prime.

It is a super-2 number, since 2×2543024261² = 12933944784069192242, 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 (2543024461) 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, 800885 + ... + 804053.

It is an arithmetic number, because the mean of its divisors is an integer number (319236435).

Almost surely, 2^2543024261 is an apocalyptic number.

It is an amenable number.

2543024261 is a deficient number, since it is larger than the sum of its proper divisors (10867219).

2543024261 is a wasteful number, since it uses less digits than its factorization.

2543024261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2543024261 is about 50428.4072820072. The cubic root of 2543024261 is about 1364.9502879649.

The spelling of 2543024261 in words is "two billion, five hundred forty-three million, twenty-four thousand, two hundred sixty-one".