5407421 has 2 divisors, whose sum is σ = 5407422. Its totient is φ = 5407420.

The previous prime is 5407403. The next prime is 5407429. The reversal of 5407421 is 1247045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 2292196 = 1765^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 5407421 - 2¹⁰ = 5406397 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5407429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2703710 + 2703711.

It is an arithmetic number, because the mean of its divisors is an integer number (2703711).

Almost surely, 2^5407421 is an apocalyptic number.

It is an amenable number.

5407421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5407421 is an equidigital number, since it uses as much as digits as its factorization.

5407421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 5407421 is about 2325.3862044830. The cubic root of 5407421 is about 175.5213946748.

The spelling of 5407421 in words is "five million, four hundred seven thousand, four hundred twenty-one".