650561010 has 64 divisors (see below), whose sum is σ = 1749354624. Its totient is φ = 153446400.

The previous prime is 650560991. The next prime is 650561011. The reversal of 650561010 is 10165056.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (650561011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14431 + ... + 38850.

It is an arithmetic number, because the mean of its divisors is an integer number (27333666).

Almost surely, 2^650561010 is an apocalyptic number.

650561010 is an abundant number, since it is smaller than the sum of its proper divisors (1098793614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650561010 is a wasteful number, since it uses less digits than its factorization.

650561010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53339.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 650561010 is about 25506.0975062827. The cubic root of 650561010 is about 866.4882484463.

It can be divided in two parts, 65056 and 1010, that added together give a palindrome (66066).

The spelling of 650561010 in words is "six hundred fifty million, five hundred sixty-one thousand, ten".