452621522 has 4 divisors (see below), whose sum is σ = 678932286. Its totient is φ = 226310760.

The previous prime is 452621503. The next prime is 452621557. The reversal of 452621522 is 225126254.

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., 372142681 + 80478841 = 19291^2 + 8971^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113155379 + ... + 113155382.

Almost surely, 2^452621522 is an apocalyptic number.

452621522 is a deficient number, since it is larger than the sum of its proper divisors (226310764).

452621522 is a wasteful number, since it uses less digits than its factorization.

452621522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226310763.

The product of its digits is 9600, while the sum is 29.

The square root of 452621522 is about 21274.9035720494. The cubic root of 452621522 is about 767.7946239486.

Adding to 452621522 its reverse (225126254), we get a palindrome (677747776).

The spelling of 452621522 in words is "four hundred fifty-two million, six hundred twenty-one thousand, five hundred twenty-two".