501055507 has 2 divisors, whose sum is σ = 501055508. Its totient is φ = 501055506.

The previous prime is 501055469. The next prime is 501055519. The reversal of 501055507 is 705550105.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501055507 is a prime.

It is not a weakly prime, because it can be changed into another prime (501055567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250527753 + 250527754.

It is an arithmetic number, because the mean of its divisors is an integer number (250527754).

Almost surely, 2^501055507 is an apocalyptic number.

501055507 is a deficient number, since it is larger than the sum of its proper divisors (1).

501055507 is an equidigital number, since it uses as much as digits as its factorization.

501055507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 501055507 is about 22384.2691861941. The cubic root of 501055507 is about 794.2586377483.

The spelling of 501055507 in words is "five hundred one million, fifty-five thousand, five hundred seven".