501452161 has 8 divisors (see below), whose sum is σ = 603250880. Its totient is φ = 407194128.

The previous prime is 501452153. The next prime is 501452201. The reversal of 501452161 is 161254105.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501452161 - 2³ = 501452153 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501452131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885026 + ... + 1885291.

It is an arithmetic number, because the mean of its divisors is an integer number (75406360).

Almost surely, 2^501452161 is an apocalyptic number.

It is an amenable number.

501452161 is a deficient number, since it is larger than the sum of its proper divisors (101798719).

501452161 is a wasteful number, since it uses less digits than its factorization.

501452161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770343.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 501452161 is about 22393.1275394930. The cubic root of 501452161 is about 794.4681706003.

It can be divided in two parts, 5014 and 52161, that added together give a palindrome (57175).

The spelling of 501452161 in words is "five hundred one million, four hundred fifty-two thousand, one hundred sixty-one".