501465 has 16 divisors (see below), whose sum is σ = 812736. Its totient is φ = 264000.

The previous prime is 501463. The next prime is 501493. The reversal of 501465 is 564105.

It is a happy number.

It is not a de Polignac number, because 501465 - 2¹ = 501463 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 501465.

It is not an unprimeable number, because it can be changed into a prime (501463) 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, 1350 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (50796).

2⁵⁰¹⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

501465 is a deficient number, since it is larger than the sum of its proper divisors (311271).

501465 is a wasteful number, since it uses less digits than its factorization.

501465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 501465 is about 708.1419349255. The cubic root of 501465 is about 79.4474950968.

The spelling of 501465 in words is "five hundred one thousand, four hundred sixty-five".