501454421 has 8 divisors (see below), whose sum is σ = 551518464. Its totient is φ = 453031920.

The previous prime is 501454417. The next prime is 501454427. The reversal of 501454421 is 124454105.

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 501454421 - 2² = 501454417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501454427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409745 + ... + 410966.

It is an arithmetic number, because the mean of its divisors is an integer number (68939808).

Almost surely, 2^501454421 is an apocalyptic number.

It is an amenable number.

501454421 is a deficient number, since it is larger than the sum of its proper divisors (50064043).

501454421 is a wasteful number, since it uses less digits than its factorization.

501454421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820771.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 501454421 is about 22393.1780013467. The cubic root of 501454421 is about 794.4693641309.

The spelling of 501454421 in words is "five hundred one million, four hundred fifty-four thousand, four hundred twenty-one".