450252001 has 4 divisors (see below), whose sum is σ = 462421012. Its totient is φ = 438082992.

The previous prime is 450251983. The next prime is 450252017. The reversal of 450252001 is 100252054.

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 213861376 + 236390625 = 14624^2 + 15375^2 .

It is a cyclic number.

It is not a de Polignac number, because 450252001 - 2⁵ = 450251969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450252001.

It is not an unprimeable number, because it can be changed into a prime (450252031) 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, 6084450 + ... + 6084523.

It is an arithmetic number, because the mean of its divisors is an integer number (115605253).

Almost surely, 2^450252001 is an apocalyptic number.

It is an amenable number.

450252001 is a deficient number, since it is larger than the sum of its proper divisors (12169011).

450252001 is a wasteful number, since it uses less digits than its factorization.

450252001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12169010.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 450252001 is about 21219.1423247972. The cubic root of 450252001 is about 766.4524506950.

The spelling of 450252001 in words is "four hundred fifty million, two hundred fifty-two thousand, one".