487032257 has 4 divisors (see below), whose sum is σ = 488829696. Its totient is φ = 485234820.

The previous prime is 487032253. The next prime is 487032281. The reversal of 487032257 is 752230784.

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 487032257 - 2² = 487032253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 487032257.

It is not an unprimeable number, because it can be changed into a prime (487032251) 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 3 ways as a sum of consecutive naturals, for example, 898313 + ... + 898854.

It is an arithmetic number, because the mean of its divisors is an integer number (122207424).

Almost surely, 2^487032257 is an apocalyptic number.

It is an amenable number.

487032257 is a deficient number, since it is larger than the sum of its proper divisors (1797439).

487032257 is a wasteful number, since it uses less digits than its factorization.

487032257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797438.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 487032257 is about 22068.8073307100. The cubic root of 487032257 is about 786.7786663248.

The spelling of 487032257 in words is "four hundred eighty-seven million, thirty-two thousand, two hundred fifty-seven".