501969 has 16 divisors (see below), whose sum is σ = 736064. Its totient is φ = 302400.

The previous prime is 501967. The next prime is 501971. The reversal of 501969 is 969105.

501969 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (501967) and next prime (501971).

It is not a de Polignac number, because 501969 - 2¹ = 501967 is a prime.

It is a super-2 number, since 2×501969² = 503945753922, which contains 22 as substring.

It is a Duffinian number.

501969 is an undulating number in base 14.

501969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (501967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2274 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (46004).

2⁵⁰¹⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

501969 is a deficient number, since it is larger than the sum of its proper divisors (234095).

501969 is a wasteful number, since it uses less digits than its factorization.

501969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 501969 is about 708.4977064183. The cubic root of 501969 is about 79.4741025572.

It can be divided in two parts, 50196 and 9, that added together give a palindrome (50205).

The spelling of 501969 in words is "five hundred one thousand, nine hundred sixty-nine".