650240522 has 4 divisors (see below), whose sum is σ = 975360786. Its totient is φ = 325120260.

The previous prime is 650240501. The next prime is 650240557. The reversal of 650240522 is 225042056.

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

It can be written as a sum of positive squares in only one way, i.e., 625450081 + 24790441 = 25009^2 + 4979^2 .

It is a junction number, because it is equal to n+sod(n) for n = 650240491 and 650240500.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162560129 + ... + 162560132.

Almost surely, 2^650240522 is an apocalyptic number.

650240522 is a deficient number, since it is larger than the sum of its proper divisors (325120264).

650240522 is a wasteful number, since it uses less digits than its factorization.

650240522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325120263.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 650240522 is about 25499.8141561855. The cubic root of 650240522 is about 866.3459380940.

Adding to 650240522 its reverse (225042056), we get a palindrome (875282578).

The spelling of 650240522 in words is "six hundred fifty million, two hundred forty thousand, five hundred twenty-two".