451552516 has 12 divisors (see below), whose sum is σ = 809490780. Its totient is φ = 220269440.

The previous prime is 451552513. The next prime is 451552559. The reversal of 451552516 is 615255154.

It can be written as a sum of positive squares in 2 ways, for example, as 25542916 + 426009600 = 5054^2 + 20640^2 .

It is a super-3 number, since 3×451552516³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (451552511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376521 + ... + 1376848.

It is an arithmetic number, because the mean of its divisors is an integer number (67457565).

Almost surely, 2^451552516 is an apocalyptic number.

It is an amenable number.

451552516 is a deficient number, since it is larger than the sum of its proper divisors (357938264).

451552516 is a wasteful number, since it uses less digits than its factorization.

451552516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753414 (or 2753412 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

The square root of 451552516 is about 21249.7650810544. The cubic root of 451552516 is about 767.1896857959.

The spelling of 451552516 in words is "four hundred fifty-one million, five hundred fifty-two thousand, five hundred sixteen".