650954 has 4 divisors (see below), whose sum is σ = 976434. Its totient is φ = 325476.

The previous prime is 650953. The next prime is 650971. The reversal of 650954 is 459056.

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., 452929 + 198025 = 673^2 + 445^2 .

It is a super-2 number, since 2×650954² = 847482220232, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 650954.

It is not an unprimeable number, because it can be changed into a prime (650953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162737 + ... + 162740.

2⁶⁵⁰⁹⁵⁴ is an apocalyptic number.

650954 is a deficient number, since it is larger than the sum of its proper divisors (325480).

650954 is a wasteful number, since it uses less digits than its factorization.

650954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325479.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 650954 is about 806.8172035846. The cubic root of 650954 is about 86.6662689002. Note that the first 3 decimals are identical.

The spelling of 650954 in words is "six hundred fifty thousand, nine hundred fifty-four".