650542 has 4 divisors (see below), whose sum is σ = 975816. Its totient is φ = 325270.

The previous prime is 650537. The next prime is 650543. The reversal of 650542 is 245056.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162634 + ... + 162637.

It is an arithmetic number, because the mean of its divisors is an integer number (243954).

2⁶⁵⁰⁵⁴² is an apocalyptic number.

650542 is a deficient number, since it is larger than the sum of its proper divisors (325274).

650542 is a wasteful number, since it uses less digits than its factorization.

650542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325273.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 650542 is about 806.5618389188. The cubic root of 650542 is about 86.6479808499.

Adding to 650542 its reverse (245056), we get a palindrome (895598).

It can be divided in two parts, 65054 and 2, that added together give a palindrome (65056).

The spelling of 650542 in words is "six hundred fifty thousand, five hundred forty-two".