450536631 has 4 divisors (see below), whose sum is σ = 600715512. Its totient is φ = 300357752.

The previous prime is 450536617. The next prime is 450536657. The reversal of 450536631 is 136635054.

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 450536631 - 2²⁶ = 383427767 is a prime.

It is a super-2 number, since 2×450536631² = 405966511745660322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450536592 and 450536601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450536731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75089436 + ... + 75089441.

It is an arithmetic number, because the mean of its divisors is an integer number (150178878).

Almost surely, 2^450536631 is an apocalyptic number.

450536631 is a deficient number, since it is larger than the sum of its proper divisors (150178881).

450536631 is a wasteful number, since it uses less digits than its factorization.

450536631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150178880.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 450536631 is about 21225.8481809326. The cubic root of 450536631 is about 766.6139227945.

The spelling of 450536631 in words is "four hundred fifty million, five hundred thirty-six thousand, six hundred thirty-one".