5001561487 has 4 divisors (see below), whose sum is σ = 5386297000. Its totient is φ = 4616825976.

The previous prime is 5001561451. The next prime is 5001561497. The reversal of 5001561487 is 7841651005.

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

It is a cyclic number.

It is not a de Polignac number, because 5001561487 - 2¹¹ = 5001559439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5001561407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192367737 + ... + 192367762.

It is an arithmetic number, because the mean of its divisors is an integer number (1346574250).

Almost surely, 2^5001561487 is an apocalyptic number.

5001561487 is a deficient number, since it is larger than the sum of its proper divisors (384735513).

5001561487 is a wasteful number, since it uses less digits than its factorization.

5001561487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384735512.

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 5001561487 is about 70721.7186372051. The cubic root of 5001561487 is about 1710.1539351636.

The spelling of 5001561487 in words is "five billion, one million, five hundred sixty-one thousand, four hundred eighty-seven".