501085277 has 12 divisors (see below), whose sum is σ = 624974688. Its totient is φ = 390303000.

The previous prime is 501085241. The next prime is 501085297. The reversal of 501085277 is 772580105.

It is not a de Polignac number, because 501085277 - 2¹⁰ = 501084253 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501085297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195152 + ... + 197702.

It is an arithmetic number, because the mean of its divisors is an integer number (52081224).

Almost surely, 2^501085277 is an apocalyptic number.

It is an amenable number.

501085277 is a deficient number, since it is larger than the sum of its proper divisors (123889411).

501085277 is an frugal number, since it uses more digits than its factorization.

501085277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120 (or 2569 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 501085277 is about 22384.9341522373. The cubic root of 501085277 is about 794.2743676166.

The spelling of 501085277 in words is "five hundred one million, eighty-five thousand, two hundred seventy-seven".