451422513 has 6 divisors (see below), whose sum is σ = 652054754. Its totient is φ = 300948336.

The previous prime is 451422487. The next prime is 451422523. The reversal of 451422513 is 315224154.

451422513 is a `hidden beast` number, since 4 + 5 + 142 + 2 + 513 = 666.

It can be written as a sum of positive squares in only one way, i.e., 321735969 + 129686544 = 17937^2 + 11388^2 .

It is not a de Polignac number, because 451422513 - 2⁹ = 451422001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451422523) 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 5 ways as a sum of consecutive naturals, for example, 25079020 + ... + 25079037.

Almost surely, 2^451422513 is an apocalyptic number.

It is an amenable number.

451422513 is a deficient number, since it is larger than the sum of its proper divisors (200632241).

451422513 is a wasteful number, since it uses less digits than its factorization.

451422513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50158063 (or 50158060 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 451422513 is about 21246.7059329205. The cubic root of 451422513 is about 767.1160535086.

Adding to 451422513 its reverse (315224154), we get a palindrome (766646667).

The spelling of 451422513 in words is "four hundred fifty-one million, four hundred twenty-two thousand, five hundred thirteen".