487253881 has 8 divisors (see below), whose sum is σ = 528499944. Its totient is φ = 447406080.

The previous prime is 487253867. The next prime is 487253887. The reversal of 487253881 is 188352784.

It can be written as a sum of positive squares in 4 ways, for example, as 139617856 + 347636025 = 11816^2 + 18645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 487253881 - 2⁵ = 487253849 is a prime.

It is a super-2 number, since 2×487253881² = 474832689099124322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (487253887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348840 + ... + 350233.

It is an arithmetic number, because the mean of its divisors is an integer number (66062493).

Almost surely, 2^487253881 is an apocalyptic number.

487253881 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

487253881 is a deficient number, since it is larger than the sum of its proper divisors (41246063).

487253881 is a wasteful number, since it uses less digits than its factorization.

487253881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699131.

The product of its digits is 430080, while the sum is 46.

The square root of 487253881 is about 22073.8279643563. The cubic root of 487253881 is about 786.8979894226.

The spelling of 487253881 in words is "four hundred eighty-seven million, two hundred fifty-three thousand, eight hundred eighty-one".