5575421 has 2 divisors, whose sum is σ = 5575422. Its totient is φ = 5575420.

The previous prime is 5575403. The next prime is 5575447. The reversal of 5575421 is 1245755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 2208196 = 1835^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 5575421 - 2⁶ = 5575357 is a prime.

It is equal to p₃₈₅₆₂₅ and since 5575421 and 385625 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5575121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2787710 + 2787711.

It is an arithmetic number, because the mean of its divisors is an integer number (2787711).

Almost surely, 2^5575421 is an apocalyptic number.

It is an amenable number.

5575421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5575421 is an equidigital number, since it uses as much as digits as its factorization.

5575421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7000, while the sum is 29.

The square root of 5575421 is about 2361.2329406477. The cubic root of 5575421 is about 177.3206122589.

The spelling of 5575421 in words is "five million, five hundred seventy-five thousand, four hundred twenty-one".