650695538 has 8 divisors (see below), whose sum is σ = 976786140. Its totient is φ = 325100160.

The previous prime is 650695517. The next prime is 650695547. The reversal of 650695538 is 835596056.

It is a happy number.

650695538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 492262969 + 158432569 = 22187^2 + 12587^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 650695492 and 650695501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120503 + ... + 125786.

Almost surely, 2^650695538 is an apocalyptic number.

650695538 is a deficient number, since it is larger than the sum of its proper divisors (326090602).

650695538 is a wasteful number, since it uses less digits than its factorization.

650695538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247612.

The product of its (nonzero) digits is 972000, while the sum is 47.

The square root of 650695538 is about 25508.7345432893. The cubic root of 650695538 is about 866.5479706939.

It can be divided in two parts, 65069 and 5538, that added together give a palindrome (70607).

The spelling of 650695538 in words is "six hundred fifty million, six hundred ninety-five thousand, five hundred thirty-eight".