650514421 has 8 divisors (see below), whose sum is σ = 663305760. Its totient is φ = 637742352.

The previous prime is 650514407. The next prime is 650514433. The reversal of 650514421 is 124415056.

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

It is a cyclic number.

It is not a de Polignac number, because 650514421 - 2²¹ = 648417269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 650514421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650514521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76690 + ... + 84748.

It is an arithmetic number, because the mean of its divisors is an integer number (82913220).

Almost surely, 2^650514421 is an apocalyptic number.

It is an amenable number.

650514421 is a deficient number, since it is larger than the sum of its proper divisors (12791339).

650514421 is a wasteful number, since it uses less digits than its factorization.

650514421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 650514421 is about 25505.1841985115. The cubic root of 650514421 is about 866.4675638453.

Adding to 650514421 its reverse (124415056), we get a palindrome (774929477).

The spelling of 650514421 in words is "six hundred fifty million, five hundred fourteen thousand, four hundred twenty-one".