487252739 has 8 divisors (see below), whose sum is σ = 521592000. Its totient is φ = 453782952.

The previous prime is 487252729. The next prime is 487252747. The reversal of 487252739 is 937252784.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487252739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 487252693 and 487252702.

It is not an unprimeable number, because it can be changed into a prime (487252709) 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 7 ways as a sum of consecutive naturals, for example, 216209 + ... + 218450.

It is an arithmetic number, because the mean of its divisors is an integer number (65199000).

Almost surely, 2^487252739 is an apocalyptic number.

487252739 is a deficient number, since it is larger than the sum of its proper divisors (34339261).

487252739 is a wasteful number, since it uses less digits than its factorization.

487252739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434737.

The product of its digits is 846720, while the sum is 47.

The square root of 487252739 is about 22073.8020966031. The cubic root of 487252739 is about 786.8973746588.

The spelling of 487252739 in words is "four hundred eighty-seven million, two hundred fifty-two thousand, seven hundred thirty-nine".