452221523 has 6 divisors (see below), whose sum is σ = 489683844. Its totient is φ = 417435096.

The previous prime is 452221501. The next prime is 452221529. The reversal of 452221523 is 325122254.

It is not a de Polignac number, because 452221523 - 2¹² = 452217427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 452221492 and 452221501.

It is not an unprimeable number, because it can be changed into a prime (452221529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1337765 + ... + 1338102.

It is an arithmetic number, because the mean of its divisors is an integer number (81613974).

Almost surely, 2^452221523 is an apocalyptic number.

452221523 is a deficient number, since it is larger than the sum of its proper divisors (37462321).

452221523 is a wasteful number, since it uses less digits than its factorization.

452221523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675893 (or 2675880 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 452221523 is about 21265.5007700266. The cubic root of 452221523 is about 767.5683807692.

Adding to 452221523 its reverse (325122254), we get a palindrome (777343777).

The spelling of 452221523 in words is "four hundred fifty-two million, two hundred twenty-one thousand, five hundred twenty-three".