30421352 has 24 divisors (see below), whose sum is σ = 61767990. Its totient is φ = 14040000.

The previous prime is 30421343. The next prime is 30421367. The reversal of 30421352 is 25312403.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 25867396 + 4553956 = 5086^2 + 2134^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9899 + ... + 12602.

Almost surely, 2^30421352 is an apocalyptic number.

It is an amenable number.

30421352 is an abundant number, since it is smaller than the sum of its proper divisors (31346638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30421352 is a wasteful number, since it uses less digits than its factorization.

30421352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22533 (or 22516 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30421352 is about 5515.5554570687. Note that the first 3 decimals coincide. The cubic root of 30421352 is about 312.1712023360.

Adding to 30421352 its reverse (25312403), we get a palindrome (55733755).

It can be divided in two parts, 3042 and 1352, that multiplied together give a square (4112784 = 2028²).

The spelling of 30421352 in words is "thirty million, four hundred twenty-one thousand, three hundred fifty-two".