2553938 has 4 divisors (see below), whose sum is σ = 3830910. Its totient is φ = 1276968.

The previous prime is 2553937. The next prime is 2553949. The reversal of 2553938 is 8393552.

2553938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2411809 + 142129 = 1553^2 + 377^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2553898 and 2553907.

It is not an unprimeable number, because it can be changed into a prime (2553937) by changing a digit.

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 as a sum of consecutive naturals, namely, 638483 + ... + 638486.

2^2553938 is an apocalyptic number.

2553938 is a deficient number, since it is larger than the sum of its proper divisors (1276972).

2553938 is a wasteful number, since it uses less digits than its factorization.

2553938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276971.

The product of its digits is 32400, while the sum is 35.

The square root of 2553938 is about 1598.1045022150. The cubic root of 2553938 is about 136.6900125363.

The spelling of 2553938 in words is "two million, five hundred fifty-three thousand, nine hundred thirty-eight".