501426487 has 8 divisors (see below), whose sum is σ = 508970880. Its totient is φ = 493935840.

The previous prime is 501426467. The next prime is 501426517. The reversal of 501426487 is 784624105.

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 501426487 - 2¹⁵ = 501393719 is a prime.

It is a super-2 number, since 2×501426487² = 502857043730322338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501426437) 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 7 ways as a sum of consecutive naturals, for example, 5562 + ... + 32152.

It is an arithmetic number, because the mean of its divisors is an integer number (63621360).

Almost surely, 2^501426487 is an apocalyptic number.

501426487 is a deficient number, since it is larger than the sum of its proper divisors (7544393).

501426487 is a wasteful number, since it uses less digits than its factorization.

501426487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26873.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 501426487 is about 22392.5542759195. The cubic root of 501426487 is about 794.4546116307.

The spelling of 501426487 in words is "five hundred one million, four hundred twenty-six thousand, four hundred eighty-seven".