501011005 has 16 divisors (see below), whose sum is σ = 662370048. Its totient is φ = 360760000.

The previous prime is 501010997. The next prime is 501011053. The reversal of 501011005 is 500110105.

It is not a de Polignac number, because 501011005 - 2³ = 501010997 is a prime.

It is a super-2 number, since 2×501011005² = 502024054262220050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39541 + ... + 50650.

It is an arithmetic number, because the mean of its divisors is an integer number (41398128).

Almost surely, 2^501011005 is an apocalyptic number.

501011005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

501011005 is a deficient number, since it is larger than the sum of its proper divisors (161359043).

501011005 is a wasteful number, since it uses less digits than its factorization.

501011005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90308.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 501011005 is about 22383.2751178196. The cubic root of 501011005 is about 794.2351226261.

The spelling of 501011005 in words is "five hundred one million, eleven thousand, five".