5621255 has 4 divisors (see below), whose sum is σ = 6745512. Its totient is φ = 4497000.

The previous prime is 5621249. The next prime is 5621267. The reversal of 5621255 is 5521265.

5621255 = T₁₄₉₇ + T₁₄₉₈ + ... + T₁₅₀₁.

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

It is not a de Polignac number, because 5621255 - 2⁶ = 5621191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 562121 + ... + 562130.

It is an arithmetic number, because the mean of its divisors is an integer number (1686378).

Almost surely, 2^5621255 is an apocalyptic number.

5621255 is a deficient number, since it is larger than the sum of its proper divisors (1124257).

5621255 is a wasteful number, since it uses less digits than its factorization.

5621255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124256.

The product of its digits is 3000, while the sum is 26.

The square root of 5621255 is about 2370.9185983496. The cubic root of 5621255 is about 177.8051881202.

The spelling of 5621255 in words is "five million, six hundred twenty-one thousand, two hundred fifty-five".