5421457 has 2 divisors, whose sum is σ = 5421458. Its totient is φ = 5421456.

The previous prime is 5421443. The next prime is 5421467. The reversal of 5421457 is 7541245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3721041 + 1700416 = 1929^2 + 1304^2 .

It is a cyclic number.

It is not a de Polignac number, because 5421457 - 2⁷ = 5421329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5421407) 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, 2710728 + 2710729.

It is an arithmetic number, because the mean of its divisors is an integer number (2710729).

Almost surely, 2^5421457 is an apocalyptic number.

It is an amenable number.

5421457 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421457 is an equidigital number, since it uses as much as digits as its factorization.

5421457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 28.

The square root of 5421457 is about 2328.4022418818. The cubic root of 5421457 is about 175.6731299639.

The spelling of 5421457 in words is "five million, four hundred twenty-one thousand, four hundred fifty-seven".