650115061 has 4 divisors (see below), whose sum is σ = 652979232. Its totient is φ = 647250892.

The previous prime is 650115031. The next prime is 650115073. The reversal of 650115061 is 160511056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 650115061 - 2⁵ = 650115029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650115031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431745 + ... + 1432198.

It is an arithmetic number, because the mean of its divisors is an integer number (163244808).

Almost surely, 2^650115061 is an apocalyptic number.

It is an amenable number.

650115061 is a deficient number, since it is larger than the sum of its proper divisors (2864171).

650115061 is a wasteful number, since it uses less digits than its factorization.

650115061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864170.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 650115061 is about 25497.3539999742. The cubic root of 650115061 is about 866.2902153189.

The spelling of 650115061 in words is "six hundred fifty million, one hundred fifteen thousand, sixty-one".