2538365 has 4 divisors (see below), whose sum is σ = 3046044. Its totient is φ = 2030688.

The previous prime is 2538359. The next prime is 2538377. The reversal of 2538365 is 5638352.

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 1951609 + 586756 = 1397^2 + 766^2 .

It is a cyclic number.

It is not a de Polignac number, because 2538365 - 2⁶ = 2538301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253832 + ... + 253841.

It is an arithmetic number, because the mean of its divisors is an integer number (761511).

2^2538365 is an apocalyptic number.

It is an amenable number.

2538365 is a deficient number, since it is larger than the sum of its proper divisors (507679).

2538365 is an equidigital number, since it uses as much as digits as its factorization.

2538365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507678.

The product of its digits is 21600, while the sum is 32.

The square root of 2538365 is about 1593.2247173578. The cubic root of 2538365 is about 136.4116169877.

The spelling of 2538365 in words is "two million, five hundred thirty-eight thousand, three hundred sixty-five".