2544534401 has 4 divisors (see below), whose sum is σ = 2544738900. Its totient is φ = 2544329904.

The previous prime is 2544534383. The next prime is 2544534409. The reversal of 2544534401 is 1044354452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176252176 + 2368282225 = 13276^2 + 48665^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544534401 - 2²⁶ = 2477425537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2544534409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82286 + ... + 108903.

It is an arithmetic number, because the mean of its divisors is an integer number (636184725).

Almost surely, 2^2544534401 is an apocalyptic number.

It is an amenable number.

2544534401 is a deficient number, since it is larger than the sum of its proper divisors (204499).

2544534401 is a wasteful number, since it uses less digits than its factorization.

2544534401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204498.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2544534401 is about 50443.3781680014. The cubic root of 2544534401 is about 1365.2204201556.

Adding to 2544534401 its reverse (1044354452), we get a palindrome (3588888853).

The spelling of 2544534401 in words is "two billion, five hundred forty-four million, five hundred thirty-four thousand, four hundred one".