427501 has 4 divisors (see below), whose sum is σ = 446112. Its totient is φ = 408892.

The previous prime is 427477. The next prime is 427513. The reversal of 427501 is 105724.

427501 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427501 - 2¹⁵ = 394733 is a prime.

It is a Duffinian number.

427501 is an undulating number in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9271 + ... + 9316.

It is an arithmetic number, because the mean of its divisors is an integer number (111528).

2⁴²⁷⁵⁰¹ is an apocalyptic number.

It is an amenable number.

427501 is a deficient number, since it is larger than the sum of its proper divisors (18611).

427501 is a wasteful number, since it uses less digits than its factorization.

427501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18610.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 427501 is about 653.8356062498. The cubic root of 427501 is about 75.3319214674.

The spelling of 427501 in words is "four hundred twenty-seven thousand, five hundred one".