501920963 has 2 divisors, whose sum is σ = 501920964. Its totient is φ = 501920962.

The previous prime is 501920959. The next prime is 501920977. The reversal of 501920963 is 369029105.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 501920963 - 2² = 501920959 is a prime.

It is not a weakly prime, because it can be changed into another prime (501920933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250960481 + 250960482.

It is an arithmetic number, because the mean of its divisors is an integer number (250960482).

Almost surely, 2^501920963 is an apocalyptic number.

501920963 is a deficient number, since it is larger than the sum of its proper divisors (1).

501920963 is an equidigital number, since it uses as much as digits as its factorization.

501920963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 501920963 is about 22403.5926360037. The cubic root of 501920963 is about 794.7156732806.

The spelling of 501920963 in words is "five hundred one million, nine hundred twenty thousand, nine hundred sixty-three".