450730431 has 6 divisors (see below), whose sum is σ = 651055080. Its totient is φ = 300486948.

The previous prime is 450730409. The next prime is 450730433. The reversal of 450730431 is 134037054.

It is not a de Polignac number, because 450730431 - 2¹⁰ = 450729407 is a prime.

It is a super-2 number, since 2×450730431² = 406315842858891522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450730395 and 450730404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450730433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25040571 + ... + 25040588.

It is an arithmetic number, because the mean of its divisors is an integer number (108509180).

Almost surely, 2^450730431 is an apocalyptic number.

450730431 is a deficient number, since it is larger than the sum of its proper divisors (200324649).

450730431 is a wasteful number, since it uses less digits than its factorization.

450730431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50081165 (or 50081162 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 450730431 is about 21230.4128786983. The cubic root of 450730431 is about 766.7238276432.

Adding to 450730431 its reverse (134037054), we get a palindrome (584767485).

The spelling of 450730431 in words is "four hundred fifty million, seven hundred thirty thousand, four hundred thirty-one".