450425513 has 4 divisors (see below), whose sum is σ = 450868560. Its totient is φ = 449982468.

The previous prime is 450425497. The next prime is 450425519. The reversal of 450425513 is 315524054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450425513 - 2⁴ = 450425497 is a prime.

It is a super-2 number, since 2×450425513² = 405766285522626338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450425519) 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, 219995 + ... + 222032.

It is an arithmetic number, because the mean of its divisors is an integer number (112717140).

Almost surely, 2^450425513 is an apocalyptic number.

It is an amenable number.

450425513 is a deficient number, since it is larger than the sum of its proper divisors (443047).

450425513 is a wasteful number, since it uses less digits than its factorization.

450425513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443046.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 450425513 is about 21223.2305033894. The cubic root of 450425513 is about 766.5508930620.

Adding to 450425513 its reverse (315524054), we get a palindrome (765949567).

The spelling of 450425513 in words is "four hundred fifty million, four hundred twenty-five thousand, five hundred thirteen".