501042487 has 6 divisors (see below), whose sum is σ = 550732784. Its totient is φ = 455493060.

The previous prime is 501042481. The next prime is 501042523. The reversal of 501042487 is 784240105.

It is not a de Polignac number, because 501042487 - 2²³ = 492653879 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 (501042481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2070303 + ... + 2070544.

Almost surely, 2^501042487 is an apocalyptic number.

501042487 is a deficient number, since it is larger than the sum of its proper divisors (49690297).

501042487 is a wasteful number, since it uses less digits than its factorization.

501042487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140869 (or 4140858 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 501042487 is about 22383.9783550646. The cubic root of 501042487 is about 794.2517580467.

The spelling of 501042487 in words is "five hundred one million, forty-two thousand, four hundred eighty-seven".