5525421 has 8 divisors (see below), whose sum is σ = 8037024. Its totient is φ = 3348720.

The previous prime is 5525417. The next prime is 5525453. The reversal of 5525421 is 1245255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5525421 - 2² = 5525417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5525391 and 5525400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5525491) 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 in 7 ways as a sum of consecutive naturals, for example, 83686 + ... + 83751.

It is an arithmetic number, because the mean of its divisors is an integer number (1004628).

Almost surely, 2^5525421 is an apocalyptic number.

It is an amenable number.

5525421 is a deficient number, since it is larger than the sum of its proper divisors (2511603).

5525421 is a wasteful number, since it uses less digits than its factorization.

5525421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167451.

The product of its digits is 2000, while the sum is 24.

The square root of 5525421 is about 2350.6214072028. The cubic root of 5525421 is about 176.7889533477.

The spelling of 5525421 in words is "five million, five hundred twenty-five thousand, four hundred twenty-one".