487053449 has 4 divisors (see below), whose sum is σ = 489577236. Its totient is φ = 484529664.

The previous prime is 487053421. The next prime is 487053481. The reversal of 487053449 is 944350784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351750025 + 135303424 = 18755^2 + 11632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487053449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487053409) 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, 1261604 + ... + 1261989.

It is an arithmetic number, because the mean of its divisors is an integer number (122394309).

Almost surely, 2^487053449 is an apocalyptic number.

It is an amenable number.

487053449 is a deficient number, since it is larger than the sum of its proper divisors (2523787).

487053449 is a wasteful number, since it uses less digits than its factorization.

487053449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523786.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 487053449 is about 22069.2874601787. The cubic root of 487053449 is about 786.7900777330.

The spelling of 487053449 in words is "four hundred eighty-seven million, fifty-three thousand, four hundred forty-nine".