2573381 has 4 divisors (see below), whose sum is σ = 2597100. Its totient is φ = 2549664.

The previous prime is 2573359. The next prime is 2573383. The reversal of 2573381 is 1833752.

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 1050625 + 1522756 = 1025^2 + 1234^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573381 - 2¹⁴ = 2556997 is a prime.

It is a super-2 number, since 2×2573381² = 13244579542322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573383) 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, 11696 + ... + 11913.

It is an arithmetic number, because the mean of its divisors is an integer number (649275).

2^2573381 is an apocalyptic number.

It is an amenable number.

2573381 is a deficient number, since it is larger than the sum of its proper divisors (23719).

2573381 is a wasteful number, since it uses less digits than its factorization.

2573381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23718.

The product of its digits is 5040, while the sum is 29.

The square root of 2573381 is about 1604.1761125263. The cubic root of 2573381 is about 137.0360073717.

The spelling of 2573381 in words is "two million, five hundred seventy-three thousand, three hundred eighty-one".