4242455 has 16 divisors (see below), whose sum is σ = 5944320. Its totient is φ = 2846112.

The previous prime is 4242451. The next prime is 4242461. The reversal of 4242455 is 5542424.

It is a cyclic number.

It is not a de Polignac number, because 4242455 - 2² = 4242451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (371520).

Almost surely, 2^4242455 is an apocalyptic number.

4242455 is a deficient number, since it is larger than the sum of its proper divisors (1701865).

4242455 is a wasteful number, since it uses less digits than its factorization.

4242455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638.

The product of its digits is 6400, while the sum is 26.

The square root of 4242455 is about 2059.7220686296. The cubic root of 4242455 is about 161.8846788884.

Adding to 4242455 its reverse (5542424), we get a palindrome (9784879).

The spelling of 4242455 in words is "four million, two hundred forty-two thousand, four hundred fifty-five".