485277261 has 32 divisors (see below), whose sum is σ = 753278976. Its totient is φ = 272160000.

The previous prime is 485277229. The next prime is 485277269. The reversal of 485277261 is 162772584.

It is not a de Polignac number, because 485277261 - 2⁵ = 485277229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485277269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403461 + ... + 404661.

It is an arithmetic number, because the mean of its divisors is an integer number (23539968).

Almost surely, 2^485277261 is an apocalyptic number.

It is an amenable number.

485277261 is a deficient number, since it is larger than the sum of its proper divisors (268001715).

485277261 is a wasteful number, since it uses less digits than its factorization.

485277261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553.

The product of its digits is 188160, while the sum is 42.

The square root of 485277261 is about 22029.0095328864. The cubic root of 485277261 is about 785.8324899266.

The spelling of 485277261 in words is "four hundred eighty-five million, two hundred seventy-seven thousand, two hundred sixty-one".