2553919 has 4 divisors (see below), whose sum is σ = 2570344. Its totient is φ = 2537496.

The previous prime is 2553917. The next prime is 2553937. The reversal of 2553919 is 9193552.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2553919 - 2¹ = 2553917 is a prime.

It is a super-2 number, since 2×2553919² = 13045004517122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553917) 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, 7977 + ... + 8290.

It is an arithmetic number, because the mean of its divisors is an integer number (642586).

2^2553919 is an apocalyptic number.

2553919 is a deficient number, since it is larger than the sum of its proper divisors (16425).

2553919 is a wasteful number, since it uses less digits than its factorization.

2553919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16424.

The product of its digits is 12150, while the sum is 34.

The square root of 2553919 is about 1598.0985576616. The cubic root of 2553919 is about 136.6896735674.

The spelling of 2553919 in words is "two million, five hundred fifty-three thousand, nine hundred nineteen".