500905501 has 2 divisors, whose sum is σ = 500905502. Its totient is φ = 500905500.

The previous prime is 500905469. The next prime is 500905511. The reversal of 500905501 is 105509005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500416900 + 488601 = 22370^2 + 699^2 .

It is a cyclic number.

It is not a de Polignac number, because 500905501 - 2⁵ = 500905469 is a prime.

It is a super-2 number, since 2×500905501² = 501812641864122002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500905511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250452750 + 250452751.

It is an arithmetic number, because the mean of its divisors is an integer number (250452751).

Almost surely, 2^500905501 is an apocalyptic number.

It is an amenable number.

500905501 is a deficient number, since it is larger than the sum of its proper divisors (1).

500905501 is an equidigital number, since it uses as much as digits as its factorization.

500905501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 500905501 is about 22380.9182340672. The cubic root of 500905501 is about 794.1793681190.

The spelling of 500905501 in words is "five hundred million, nine hundred five thousand, five hundred one".