5956421 has 2 divisors, whose sum is σ = 5956422. Its totient is φ = 5956420.

The previous prime is 5956417. The next prime is 5956429. The reversal of 5956421 is 1246595.

It is a happy number.

5956421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 2515396 = 1855^2 + 1586^2 .

It is a cyclic number.

It is not a de Polignac number, because 5956421 - 2² = 5956417 is a prime.

It is a super-2 number, since 2×5956421² = 70957902258482, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5956429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2978210 + 2978211.

It is an arithmetic number, because the mean of its divisors is an integer number (2978211).

Almost surely, 2^5956421 is an apocalyptic number.

It is an amenable number.

5956421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5956421 is an equidigital number, since it uses as much as digits as its factorization.

5956421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 32.

The square root of 5956421 is about 2440.5780053094. The cubic root of 5956421 is about 181.2710548668.

The spelling of 5956421 in words is "five million, nine hundred fifty-six thousand, four hundred twenty-one".