2543032401 has 24 divisors (see below), whose sum is σ = 4196116800. Its totient is φ = 1341377856.

The previous prime is 2543032399. The next prime is 2543032403. The reversal of 2543032401 is 1042303452.

It is an interprime number because it is at equal distance from previous prime (2543032399) and next prime (2543032403).

It is not a de Polignac number, because 2543032401 - 2¹ = 2543032399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2543032403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354726 + ... + 361823.

It is an arithmetic number, because the mean of its divisors is an integer number (174838200).

Almost surely, 2^2543032401 is an apocalyptic number.

2543032401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2543032401 is a deficient number, since it is larger than the sum of its proper divisors (1653084399).

2543032401 is a wasteful number, since it uses less digits than its factorization.

2543032401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716585 (or 716572 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2543032401 is about 50428.4879904207. The cubic root of 2543032401 is about 1364.9517443258.

Adding to 2543032401 its reverse (1042303452), we get a palindrome (3585335853).

The spelling of 2543032401 in words is "two billion, five hundred forty-three million, thirty-two thousand, four hundred one".