501742 has 4 divisors (see below), whose sum is σ = 752616. Its totient is φ = 250870.

The previous prime is 501731. The next prime is 501769. The reversal of 501742 is 247105.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125434 + ... + 125437.

It is an arithmetic number, because the mean of its divisors is an integer number (188154).

2⁵⁰¹⁷⁴² is an apocalyptic number.

501742 is a deficient number, since it is larger than the sum of its proper divisors (250874).

501742 is a wasteful number, since it uses less digits than its factorization.

501742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250873.

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

The square root of 501742 is about 708.3374901839. The cubic root of 501742 is about 79.4621208469.

Adding to 501742 its reverse (247105), we get a palindrome (748847).

It can be divided in two parts, 50174 and 2, that added together give a square (50176 = 224²).

The spelling of 501742 in words is "five hundred one thousand, seven hundred forty-two".