452501243432521 has 8 divisors (see below), whose sum is σ = 480476241158184. Its totient is φ = 424677054320640.

The previous prime is 452501243432501. The next prime is 452501243432591. The reversal of 452501243432521 is 125234342105254.

It can be written as a sum of positive squares in 4 ways, for example, as 195712797288121 + 256788446144400 = 13989739^2 + 16024620^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 452501243432521 - 2²⁵ = 452501209878089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452501243432501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37702147260 + ... + 37702159261.

It is an arithmetic number, because the mean of its divisors is an integer number (60059530144773).

Almost surely, 2^{452501243432521} is an apocalyptic number.

It is an amenable number.

452501243432521 is a deficient number, since it is larger than the sum of its proper divisors (27974997725663).

452501243432521 is a wasteful number, since it uses less digits than its factorization.

452501243432521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75404306891.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 452501243432521 its reverse (125234342105254), we get a palindrome (577735585537775).

The spelling of 452501243432521 in words is "four hundred fifty-two trillion, five hundred one billion, two hundred forty-three million, four hundred thirty-two thousand, five hundred twenty-one".