421601053 has 8 divisors (see below), whose sum is σ = 427951296. Its totient is φ = 415262400.

The previous prime is 421601041. The next prime is 421601057. The reversal of 421601053 is 350106124.

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 421601053 - 2⁵ = 421601021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421601057) 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, 94450 + ... + 98812.

It is an arithmetic number, because the mean of its divisors is an integer number (53493912).

Almost surely, 2^421601053 is an apocalyptic number.

It is an amenable number.

421601053 is a deficient number, since it is larger than the sum of its proper divisors (6350243).

421601053 is a wasteful number, since it uses less digits than its factorization.

421601053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 421601053 is about 20532.9260700953. The cubic root of 421601053 is about 749.8376258858.

Adding to 421601053 its reverse (350106124), we get a palindrome (771707177).

The spelling of 421601053 in words is "four hundred twenty-one million, six hundred one thousand, fifty-three".