450065731 has 4 divisors (see below), whose sum is σ = 452552464. Its totient is φ = 447579000.

The previous prime is 450065729. The next prime is 450065753. The reversal of 450065731 is 137560054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450065731 - 2¹ = 450065729 is a prime.

It is a super-2 number, since 2×450065731² = 405118324441128722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450065693 and 450065702.

It is not an unprimeable number, because it can be changed into a prime (450065131) 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, 1243095 + ... + 1243456.

It is an arithmetic number, because the mean of its divisors is an integer number (113138116).

Almost surely, 2^450065731 is an apocalyptic number.

450065731 is a deficient number, since it is larger than the sum of its proper divisors (2486733).

450065731 is a wasteful number, since it uses less digits than its factorization.

450065731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486732.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 450065731 is about 21214.7526735524. The cubic root of 450065731 is about 766.3467418995.

The spelling of 450065731 in words is "four hundred fifty million, sixty-five thousand, seven hundred thirty-one".