452421434 has 4 divisors (see below), whose sum is σ = 678632154. Its totient is φ = 226210716.

The previous prime is 452421427. The next prime is 452421451. The reversal of 452421434 is 434124254.

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

It can be written as a sum of positive squares in only one way, i.e., 418816225 + 33605209 = 20465^2 + 5797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 452421397 and 452421406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113105357 + ... + 113105360.

Almost surely, 2^452421434 is an apocalyptic number.

452421434 is a deficient number, since it is larger than the sum of its proper divisors (226210720).

452421434 is a wasteful number, since it uses less digits than its factorization.

452421434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226210719.

The product of its digits is 15360, while the sum is 29.

The square root of 452421434 is about 21270.2006102434. The cubic root of 452421434 is about 767.6814689714.

Adding to 452421434 its reverse (434124254), we get a palindrome (886545688).

The spelling of 452421434 in words is "four hundred fifty-two million, four hundred twenty-one thousand, four hundred thirty-four".