650262643 has 2 divisors, whose sum is σ = 650262644. Its totient is φ = 650262642.

The previous prime is 650262629. The next prime is 650262649. The reversal of 650262643 is 346262056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650262643 - 2²¹ = 648165491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 650262599 and 650262608.

It is not a weakly prime, because it can be changed into another prime (650262649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325131321 + 325131322.

It is an arithmetic number, because the mean of its divisors is an integer number (325131322).

Almost surely, 2^650262643 is an apocalyptic number.

650262643 is a deficient number, since it is larger than the sum of its proper divisors (1).

650262643 is an equidigital number, since it uses as much as digits as its factorization.

650262643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 650262643 is about 25500.2479007558. The cubic root of 650262643 is about 866.3557622645.

The spelling of 650262643 in words is "six hundred fifty million, two hundred sixty-two thousand, six hundred forty-three".