450125525 has 24 divisors (see below), whose sum is σ = 583903104. Its totient is φ = 343569600.

The previous prime is 450125513. The next prime is 450125551. The reversal of 450125525 is 525521054.

It is not a de Polignac number, because 450125525 - 2⁴ = 450125509 is a prime.

It is a super-2 number, since 2×450125525² = 405225976513051250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 310352 + ... + 311798.

It is an arithmetic number, because the mean of its divisors is an integer number (24329296).

Almost surely, 2^450125525 is an apocalyptic number.

It is an amenable number.

450125525 is a deficient number, since it is larger than the sum of its proper divisors (133777579).

450125525 is a wasteful number, since it uses less digits than its factorization.

450125525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 450125525 is about 21216.1618819239. The cubic root of 450125525 is about 766.3806783557.

Adding to 450125525 its reverse (525521054), we get a palindrome (975646579).

The spelling of 450125525 in words is "four hundred fifty million, one hundred twenty-five thousand, five hundred twenty-five".