424442453 has 4 divisors (see below), whose sum is σ = 431400588. Its totient is φ = 417484320.

The previous prime is 424442411. The next prime is 424442461. The reversal of 424442453 is 354244424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13853284 + 410589169 = 3722^2 + 20263^2 .

It is a cyclic number.

It is not a de Polignac number, because 424442453 - 2¹⁴ = 424426069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424442153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3478976 + ... + 3479097.

It is an arithmetic number, because the mean of its divisors is an integer number (107850147).

Almost surely, 2^424442453 is an apocalyptic number.

It is an amenable number.

424442453 is a deficient number, since it is larger than the sum of its proper divisors (6958135).

424442453 is an equidigital number, since it uses as much as digits as its factorization.

424442453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6958134.

The product of its digits is 61440, while the sum is 32.

The square root of 424442453 is about 20602.0011892049. The cubic root of 424442453 is about 751.5183775945.

Adding to 424442453 its reverse (354244424), we get a palindrome (778686877).

The spelling of 424442453 in words is "four hundred twenty-four million, four hundred forty-two thousand, four hundred fifty-three".