650744061 has 32 divisors (see below), whose sum is σ = 964275840. Its totient is φ = 387072000.

The previous prime is 650744047. The next prime is 650744077. The reversal of 650744061 is 160447056.

It is not a de Polignac number, because 650744061 - 2¹⁴ = 650727677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650744011) 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, 405661 + ... + 407261.

It is an arithmetic number, because the mean of its divisors is an integer number (30133620).

Almost surely, 2^650744061 is an apocalyptic number.

It is an amenable number.

650744061 is a deficient number, since it is larger than the sum of its proper divisors (313531779).

650744061 is a wasteful number, since it uses less digits than its factorization.

650744061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 650744061 is about 25509.6856311480. The cubic root of 650744061 is about 866.5695099339.

The spelling of 650744061 in words is "six hundred fifty million, seven hundred forty-four thousand, sixty-one".