5621426 has 4 divisors (see below), whose sum is σ = 8432142. Its totient is φ = 2810712.

The previous prime is 5621423. The next prime is 5621437. The reversal of 5621426 is 6241265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6241265 = 5 ⋅1248253.

It can be written as a sum of positive squares in only one way, i.e., 3222025 + 2399401 = 1795^2 + 1549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5621395 and 5621404.

It is not an unprimeable number, because it can be changed into a prime (5621423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1405355 + ... + 1405358.

Almost surely, 2^5621426 is an apocalyptic number.

5621426 is a deficient number, since it is larger than the sum of its proper divisors (2810716).

5621426 is a wasteful number, since it uses less digits than its factorization.

5621426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810715.

The product of its digits is 2880, while the sum is 26.

The square root of 5621426 is about 2370.9546600473. The cubic root of 5621426 is about 177.8069910615.

The spelling of 5621426 in words is "five million, six hundred twenty-one thousand, four hundred twenty-six".