450215513 has 8 divisors (see below), whose sum is σ = 491469120. Its totient is φ = 409016080.

The previous prime is 450215503. The next prime is 450215527. The reversal of 450215513 is 315512054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450215513 - 2¹² = 450211417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450215503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4943 + ... + 30411.

It is an arithmetic number, because the mean of its divisors is an integer number (61433640).

Almost surely, 2^450215513 is an apocalyptic number.

It is an amenable number.

450215513 is a deficient number, since it is larger than the sum of its proper divisors (41253607).

450215513 is a wasteful number, since it uses less digits than its factorization.

450215513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27087.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 450215513 is about 21218.2825176780. The cubic root of 450215513 is about 766.4317459397.

Adding to 450215513 its reverse (315512054), we get a palindrome (765727567).

The spelling of 450215513 in words is "four hundred fifty million, two hundred fifteen thousand, five hundred thirteen".