450712901 has 8 divisors (see below), whose sum is σ = 459532440. Its totient is φ = 441905152.

The previous prime is 450712897. The next prime is 450712903. The reversal of 450712901 is 109217054.

It is a Cunningham number, because it is equal to 21230²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 324936676 + 125776225 = 18026^2 + 11215^2 .

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 450712901 - 2² = 450712897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450712903) 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, 144365 + ... + 147453.

It is an arithmetic number, because the mean of its divisors is an integer number (57441555).

Almost surely, 2^450712901 is an apocalyptic number.

It is an amenable number.

450712901 is a deficient number, since it is larger than the sum of its proper divisors (8819539).

450712901 is a wasteful number, since it uses less digits than its factorization.

450712901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 450712901 is about 21230.0000235516. Note that the first 4 decimals coincide. The cubic root of 450712901 is about 766.7138875977.

Adding to 450712901 its reverse (109217054), we get a palindrome (559929955).

The spelling of 450712901 in words is "four hundred fifty million, seven hundred twelve thousand, nine hundred one".