451936225 has 12 divisors (see below), whose sum is σ = 603509116. Its totient is φ = 333737280.

The previous prime is 451936217. The next prime is 451936237. The reversal of 451936225 is 522639154.

It can be written as a sum of positive squares in 6 ways, for example, as 32341969 + 419594256 = 5687^2 + 20484^2 .

It is not a de Polignac number, because 451936225 - 2³ = 451936217 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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, 694962 + ... + 695611.

Almost surely, 2^451936225 is an apocalyptic number.

It is an amenable number.

451936225 is a deficient number, since it is larger than the sum of its proper divisors (151572891).

451936225 is a wasteful number, since it uses less digits than its factorization.

451936225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390596 (or 1390591 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 451936225 is about 21258.7917107252. The cubic root of 451936225 is about 767.4069320247.

The spelling of 451936225 in words is "four hundred fifty-one million, nine hundred thirty-six thousand, two hundred twenty-five".