450451225 has 12 divisors (see below), whose sum is σ = 638353984. Its totient is φ = 308880720.

The previous prime is 450451217. The next prime is 450451231. The reversal of 450451225 is 522154054.

It is not a de Polignac number, because 450451225 - 2³ = 450451217 is a prime.

It is a super-2 number, since 2×450451225² = 405812612208001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450451193 and 450451202.

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, 1286829 + ... + 1287178.

Almost surely, 2^450451225 is an apocalyptic number.

It is an amenable number.

450451225 is a deficient number, since it is larger than the sum of its proper divisors (187902759).

450451225 is a wasteful number, since it uses less digits than its factorization.

450451225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574024 (or 2574019 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 450451225 is about 21223.8362460701. The cubic root of 450451225 is about 766.5654786638.

The spelling of 450451225 in words is "four hundred fifty million, four hundred fifty-one thousand, two hundred twenty-five".