650255421 has 8 divisors (see below), whose sum is σ = 867454560. Its totient is φ = 433279952.

The previous prime is 650255413. The next prime is 650255447. The reversal of 650255421 is 124552056.

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 650255421 - 2³ = 650255413 is a prime.

It is a super-2 number, since 2×650255421² = 845664225079774482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650255521) 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, 49011 + ... + 60848.

It is an arithmetic number, because the mean of its divisors is an integer number (108431820).

Almost surely, 2^650255421 is an apocalyptic number.

It is an amenable number.

650255421 is a deficient number, since it is larger than the sum of its proper divisors (217199139).

650255421 is a wasteful number, since it uses less digits than its factorization.

650255421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111835.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 650255421 is about 25500.1062938961. The cubic root of 650255421 is about 866.3525549223.

The spelling of 650255421 in words is "six hundred fifty million, two hundred fifty-five thousand, four hundred twenty-one".