4242451 has 2 divisors, whose sum is σ = 4242452. Its totient is φ = 4242450.

The previous prime is 4242449. The next prime is 4242461. The reversal of 4242451 is 1542424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4242451 - 2¹ = 4242449 is a prime.

Together with 4242449, it forms a pair of twin primes.

4242451 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4242421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121225 + 2121226.

It is an arithmetic number, because the mean of its divisors is an integer number (2121226).

Almost surely, 2^4242451 is an apocalyptic number.

4242451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242451 is an equidigital number, since it uses as much as digits as its factorization.

4242451 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4242451 is about 2059.7210976246. The cubic root of 4242451 is about 161.8846280107.

Adding to 4242451 its reverse (1542424), we get a palindrome (5784875).

The spelling of 4242451 in words is "four million, two hundred forty-two thousand, four hundred fifty-one".