501225105 has 16 divisors (see below), whose sum is σ = 815108544. Its totient is φ = 262937280.

The previous prime is 501225097. The next prime is 501225107. The reversal of 501225105 is 501522105.

It is not a de Polignac number, because 501225105 - 2³ = 501225097 is a prime.

It is a super-2 number, since 2×501225105² = 502453211764522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501225107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272979 + ... + 274808.

It is an arithmetic number, because the mean of its divisors is an integer number (50944284).

Almost surely, 2^501225105 is an apocalyptic number.

It is an amenable number.

501225105 is a deficient number, since it is larger than the sum of its proper divisors (313883439).

501225105 is a wasteful number, since it uses less digits than its factorization.

501225105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547856.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 501225105 is about 22388.0571957461. The cubic root of 501225105 is about 794.3482415806.

The spelling of 501225105 in words is "five hundred one million, two hundred twenty-five thousand, one hundred five".