450722525 has 12 divisors (see below), whose sum is σ = 609705024. Its totient is φ = 327798000.

The previous prime is 450722509. The next prime is 450722543. The reversal of 450722525 is 525227054.

It is not a de Polignac number, because 450722525 - 2⁴ = 450722509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450722491 and 450722500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819221 + ... + 819770.

It is an arithmetic number, because the mean of its divisors is an integer number (50808752).

Almost surely, 2^450722525 is an apocalyptic number.

It is an amenable number.

450722525 is a deficient number, since it is larger than the sum of its proper divisors (158982499).

450722525 is a wasteful number, since it uses less digits than its factorization.

450722525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639012 (or 1639007 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 450722525 is about 21230.2266827276. The cubic root of 450722525 is about 766.7193447316.

Adding to 450722525 its reverse (525227054), we get a palindrome (975949579).

The spelling of 450722525 in words is "four hundred fifty million, seven hundred twenty-two thousand, five hundred twenty-five".