650261023 has 4 divisors (see below), whose sum is σ = 651806008. Its totient is φ = 648716040.

The previous prime is 650261021. The next prime is 650261039. The reversal of 650261023 is 320162056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 650261023 - 2¹ = 650261021 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 (650261021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771861 + ... + 772702.

It is an arithmetic number, because the mean of its divisors is an integer number (162951502).

Almost surely, 2^650261023 is an apocalyptic number.

650261023 is a deficient number, since it is larger than the sum of its proper divisors (1544985).

650261023 is a wasteful number, since it uses less digits than its factorization.

650261023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544984.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 650261023 is about 25500.2161363389. The cubic root of 650261023 is about 866.3550428129.

It can be divided in two parts, 65026 and 1023, that added together give a square (66049 = 257²).

The spelling of 650261023 in words is "six hundred fifty million, two hundred sixty-one thousand, twenty-three".