754421 has 2 divisors, whose sum is σ = 754422. Its totient is φ = 754420.

The previous prime is 754417. The next prime is 754427. The reversal of 754421 is 124457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624100 + 130321 = 790^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 754421 - 2² = 754417 is a prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (754427) 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, 377210 + 377211.

It is an arithmetic number, because the mean of its divisors is an integer number (377211).

2⁷⁵⁴⁴²¹ is an apocalyptic number.

It is an amenable number.

754421 is a deficient number, since it is larger than the sum of its proper divisors (1).

754421 is an equidigital number, since it uses as much as digits as its factorization.

754421 is an odious number, because the sum of its binary digits is odd.

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

The square root of 754421 is about 868.5741188868. The cubic root of 754421 is about 91.0342020131.

Adding to 754421 its reverse (124457), we get a palindrome (878878).

The spelling of 754421 in words is "seven hundred fifty-four thousand, four hundred twenty-one".