450555025 has 6 divisors (see below), whose sum is σ = 558688262. Its totient is φ = 360444000.

The previous prime is 450555013. The next prime is 450555059. The reversal of 450555025 is 520555054.

It can be written as a sum of positive squares in 3 ways, for example, as 62346816 + 388208209 = 7896^2 + 19703^2 .

It is not a de Polignac number, because 450555025 - 2²⁵ = 417000593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9011076 + ... + 9011125.

Almost surely, 2^450555025 is an apocalyptic number.

It is an amenable number.

450555025 is a deficient number, since it is larger than the sum of its proper divisors (108133237).

450555025 is a wasteful number, since it uses less digits than its factorization.

450555025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18022211 (or 18022206 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 450555025 is about 21226.2814689714. The cubic root of 450555025 is about 766.6243554679.

The spelling of 450555025 in words is "four hundred fifty million, five hundred fifty-five thousand, twenty-five".