421552 has 10 divisors (see below), whose sum is σ = 816788. Its totient is φ = 210768.

The previous prime is 421517. The next prime is 421559. The reversal of 421552 is 255124.

It is not an unprimeable number, because it can be changed into a prime (421559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13158 + ... + 13189.

2⁴²¹⁵⁵² is an apocalyptic number.

It is an amenable number.

421552 is a deficient number, since it is larger than the sum of its proper divisors (395236).

421552 is a wasteful number, since it uses less digits than its factorization.

421552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26355 (or 26349 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 421552 is about 649.2703597116. The cubic root of 421552 is about 74.9808543723.

Adding to 421552 its reverse (255124), we get a palindrome (676676).

The spelling of 421552 in words is "four hundred twenty-one thousand, five hundred fifty-two".