450505525 has 24 divisors (see below), whose sum is σ = 607494600. Its totient is φ = 330024960.

The previous prime is 450505511. The next prime is 450505529. The reversal of 450505525 is 525505054.

It can be written as a sum of positive squares in 12 ways, for example, as 14447601 + 436057924 = 3801^2 + 20882^2 .

It is not a de Polignac number, because 450505525 - 2⁵ = 450505493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450505529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1401 + ... + 30049.

It is an arithmetic number, because the mean of its divisors is an integer number (25312275).

Almost surely, 2^450505525 is an apocalyptic number.

It is an amenable number.

450505525 is a deficient number, since it is larger than the sum of its proper divisors (156989075).

450505525 is a wasteful number, since it uses less digits than its factorization.

450505525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28713 (or 28708 counting only the distinct ones).

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

The square root of 450505525 is about 21225.1154296037. The cubic root of 450505525 is about 766.5962795073.

The spelling of 450505525 in words is "four hundred fifty million, five hundred five thousand, five hundred twenty-five".