487521745 has 8 divisors (see below), whose sum is σ = 598631616. Its totient is φ = 380947056.

The previous prime is 487521743. The next prime is 487521751. The reversal of 487521745 is 547125784.

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 487521745 - 2¹ = 487521743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487521743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133557 + ... + 1133986.

It is an arithmetic number, because the mean of its divisors is an integer number (74828952).

Almost surely, 2^487521745 is an apocalyptic number.

It is an amenable number.

487521745 is a deficient number, since it is larger than the sum of its proper divisors (111109871).

487521745 is a wasteful number, since it uses less digits than its factorization.

487521745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267591.

The product of its digits is 313600, while the sum is 43.

The square root of 487521745 is about 22079.8945876107. The cubic root of 487521745 is about 787.0421600066.

The spelling of 487521745 in words is "four hundred eighty-seven million, five hundred twenty-one thousand, seven hundred forty-five".