501407 has 4 divisors (see below), whose sum is σ = 503616. Its totient is φ = 499200.

The previous prime is 501401. The next prime is 501409. The reversal of 501407 is 704105.

It is a happy number.

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 501407 - 2⁶ = 501343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 501407.

It is not an unprimeable number, because it can be changed into a prime (501401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (125904).

2⁵⁰¹⁴⁰⁷ is an apocalyptic number.

501407 is a deficient number, since it is larger than the sum of its proper divisors (2209).

501407 is a wasteful number, since it uses less digits than its factorization.

501407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 501407 is about 708.1009814991. The cubic root of 501407 is about 79.4444319835. Note that the first 4 decimals are identical.

The spelling of 501407 in words is "five hundred one thousand, four hundred seven".