5626021 has 2 divisors, whose sum is σ = 5626022. Its totient is φ = 5626020.

The previous prime is 5626013. The next prime is 5626039. The reversal of 5626021 is 1206265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4796100 + 829921 = 2190^2 + 911^2 .

It is a cyclic number.

It is not a de Polignac number, because 5626021 - 2³ = 5626013 is a prime.

It is a super-2 number, since 2×5626021² = 63304224584882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5625983 and 5626001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5626001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813010 + 2813011.

It is an arithmetic number, because the mean of its divisors is an integer number (2813011).

Almost surely, 2^5626021 is an apocalyptic number.

It is an amenable number.

5626021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5626021 is an equidigital number, since it uses as much as digits as its factorization.

5626021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 5626021 is about 2371.9234810592. The cubic root of 5626021 is about 177.8554248345.

The spelling of 5626021 in words is "five million, six hundred twenty-six thousand, twenty-one".