5638425 has 24 divisors (see below), whose sum is σ = 10041024. Its totient is φ = 2775360.

The previous prime is 5638411. The next prime is 5638429. The reversal of 5638425 is 5248365.

5638425 = 311² + 312² + ... + 360².

It is not a de Polignac number, because 5638425 - 2⁹ = 5637913 is a prime.

It is a d-powerful number, because it can be written as 5⁸ + 6⁸ + 3¹³ + 8⁴ + 4⁴ + 2¹⁴ + 5⁹ .

5638425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5638429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1917 + ... + 3866.

It is an arithmetic number, because the mean of its divisors is an integer number (418376).

Almost surely, 2^5638425 is an apocalyptic number.

It is an amenable number.

5638425 is a deficient number, since it is larger than the sum of its proper divisors (4402599).

5638425 is a wasteful number, since it uses less digits than its factorization.

5638425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809 (or 5804 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 5638425 is about 2374.5367969354. The cubic root of 5638425 is about 177.9860381255.

The spelling of 5638425 in words is "five million, six hundred thirty-eight thousand, four hundred twenty-five".