650552543 has 4 divisors (see below), whose sum is σ = 653344848. Its totient is φ = 647760240.

The previous prime is 650552501. The next prime is 650552557. The reversal of 650552543 is 345255056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 650552543 - 2⁶ = 650552479 is a prime.

It is a super-2 number, since 2×650552543² = 846437222407533698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650552443) 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 3 ways as a sum of consecutive naturals, for example, 1395803 + ... + 1396268.

It is an arithmetic number, because the mean of its divisors is an integer number (163336212).

Almost surely, 2^650552543 is an apocalyptic number.

650552543 is a deficient number, since it is larger than the sum of its proper divisors (2792305).

650552543 is a wasteful number, since it uses less digits than its factorization.

650552543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792304.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 650552543 is about 25505.9315258236. The cubic root of 650552543 is about 866.4844893380.

The spelling of 650552543 in words is "six hundred fifty million, five hundred fifty-two thousand, five hundred forty-three".