451252516 has 24 divisors (see below), whose sum is σ = 927751104. Its totient is φ = 189336480.

The previous prime is 451252513. The next prime is 451252559. The reversal of 451252516 is 615252154.

It is not an unprimeable number, because it can be changed into a prime (451252513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393880 + ... + 395023.

It is an arithmetic number, because the mean of its divisors is an integer number (38656296).

Almost surely, 2^451252516 is an apocalyptic number.

It is an amenable number.

451252516 is an abundant number, since it is smaller than the sum of its proper divisors (476498588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451252516 is a wasteful number, since it uses less digits than its factorization.

451252516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788931 (or 788929 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 451252516 is about 21242.7050066605. The cubic root of 451252516 is about 767.0197477219.

The spelling of 451252516 in words is "four hundred fifty-one million, two hundred fifty-two thousand, five hundred sixteen".