450425565 has 24 divisors (see below), whose sum is σ = 782678520. Its totient is φ = 239629824.

The previous prime is 450425551. The next prime is 450425597. The reversal of 450425565 is 565524054.

450425565 is a `hidden beast` number, since 4 + 50 + 42 + 5 + 565 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 195608196 + 254817369 = 13986^2 + 15963^2 .

It is not a de Polignac number, because 450425565 - 2¹⁸ = 450163421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6169 + ... + 30641.

It is an arithmetic number, because the mean of its divisors is an integer number (32611605).

Almost surely, 2^450425565 is an apocalyptic number.

450425565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

450425565 is a deficient number, since it is larger than the sum of its proper divisors (332252955).

450425565 is a wasteful number, since it uses less digits than its factorization.

450425565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24893 (or 24890 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 450425565 is about 21223.2317284621. The cubic root of 450425565 is about 766.5509225605.

The spelling of 450425565 in words is "four hundred fifty million, four hundred twenty-five thousand, five hundred sixty-five".