487025881 has 4 divisors (see below), whose sum is σ = 494294992. Its totient is φ = 479756772.

The previous prime is 487025863. The next prime is 487025893. The reversal of 487025881 is 188520784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 487025881 - 2¹⁵ = 486993113 is a prime.

It is a super-2 number, since 2×487025881² = 474388417527652322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487025831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3634455 + ... + 3634588.

It is an arithmetic number, because the mean of its divisors is an integer number (123573748).

Almost surely, 2^487025881 is an apocalyptic number.

It is an amenable number.

487025881 is a deficient number, since it is larger than the sum of its proper divisors (7269111).

487025881 is an equidigital number, since it uses as much as digits as its factorization.

487025881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7269110.

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 487025881 is about 22068.6628729518. The cubic root of 487025881 is about 786.7752329296.

The spelling of 487025881 in words is "four hundred eighty-seven million, twenty-five thousand, eight hundred eighty-one".