2454421 has 2 divisors, whose sum is σ = 2454422. Its totient is φ = 2454420.

The previous prime is 2454407. The next prime is 2454433. The reversal of 2454421 is 1244542.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1664100 + 790321 = 1290^2 + 889^2 .

It is a cyclic number.

It is not a de Polignac number, because 2454421 - 2⁹ = 2453909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2454392 and 2454401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2454121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227210 + 1227211.

It is an arithmetic number, because the mean of its divisors is an integer number (1227211).

2^2454421 is an apocalyptic number.

It is an amenable number.

2454421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2454421 is an equidigital number, since it uses as much as digits as its factorization.

2454421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 22.

The square root of 2454421 is about 1566.6591843793. The cubic root of 2454421 is about 134.8910140050.

Adding to 2454421 its reverse (1244542), we get a palindrome (3698963).

It can be divided in two parts, 24 and 54421, that added together give a palindrome (54445).

The spelling of 2454421 in words is "two million, four hundred fifty-four thousand, four hundred twenty-one".