421140053 has 8 divisors (see below), whose sum is σ = 442095360. Its totient is φ = 400645440.

The previous prime is 421140047. The next prime is 421140061. The reversal of 421140053 is 350041124.

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 421140053 - 2²⁶ = 354031189 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 (421140023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113300 + ... + 116957.

It is an arithmetic number, because the mean of its divisors is an integer number (55261920).

Almost surely, 2^421140053 is an apocalyptic number.

It is an amenable number.

421140053 is a deficient number, since it is larger than the sum of its proper divisors (20955307).

421140053 is a wasteful number, since it uses less digits than its factorization.

421140053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230347.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 421140053 is about 20521.6971276744. The cubic root of 421140053 is about 749.5642226984.

Adding to 421140053 its reverse (350041124), we get a palindrome (771181177).

The spelling of 421140053 in words is "four hundred twenty-one million, one hundred forty thousand, fifty-three".