2538545 has 8 divisors (see below), whose sum is σ = 3073896. Its totient is φ = 2012416.

The previous prime is 2538527. The next prime is 2538577. The reversal of 2538545 is 5458352.

2538545 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 312481 + 2226064 = 559^2 + 1492^2 .

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 2538545 - 2¹² = 2534449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (384237).

2^2538545 is an apocalyptic number.

It is an amenable number.

2538545 is a deficient number, since it is larger than the sum of its proper divisors (535351).

2538545 is a wasteful number, since it uses less digits than its factorization.

2538545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611.

The product of its digits is 24000, while the sum is 32.

The square root of 2538545 is about 1593.2812055629. The cubic root of 2538545 is about 136.4148413087.

The spelling of 2538545 in words is "two million, five hundred thirty-eight thousand, five hundred forty-five".