450539797 has 4 divisors (see below), whose sum is σ = 477042156. Its totient is φ = 424037440.

The previous prime is 450539759. The next prime is 450539807. The reversal of 450539797 is 797935054.

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 417752721 + 32787076 = 20439^2 + 5726^2 .

It is a cyclic number.

It is not a de Polignac number, because 450539797 - 2¹¹ = 450537749 is a prime.

It is a super-2 number, since 2×450539797² = 405972217361602418, which contains 22 as substring.

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 450539797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450539497) 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, 13251154 + ... + 13251187.

It is an arithmetic number, because the mean of its divisors is an integer number (119260539).

Almost surely, 2^450539797 is an apocalyptic number.

It is an amenable number.

450539797 is a deficient number, since it is larger than the sum of its proper divisors (26502359).

450539797 is a wasteful number, since it uses less digits than its factorization.

450539797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26502358.

The product of its (nonzero) digits is 1190700, while the sum is 49.

The square root of 450539797 is about 21225.9227596823. The cubic root of 450539797 is about 766.6157185005.

The spelling of 450539797 in words is "four hundred fifty million, five hundred thirty-nine thousand, seven hundred ninety-seven".