421052 has 6 divisors (see below), whose sum is σ = 736848. Its totient is φ = 210524.

The previous prime is 421049. The next prime is 421079. The reversal of 421052 is 250124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52628 + ... + 52635.

It is an arithmetic number, because the mean of its divisors is an integer number (122808).

2⁴²¹⁰⁵² is an apocalyptic number.

It is an amenable number.

421052 is a deficient number, since it is larger than the sum of its proper divisors (315796).

421052 is a wasteful number, since it uses less digits than its factorization.

421052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105267 (or 105265 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 421052 is about 648.8851978586. The cubic root of 421052 is about 74.9511978812.

Adding to 421052 its reverse (250124), we get a palindrome (671176).

The spelling of 421052 in words is "four hundred twenty-one thousand, fifty-two".