30253522 has 16 divisors (see below), whose sum is σ = 49132440. Its totient is φ = 13888512.

The previous prime is 30253511. The next prime is 30253537. The reversal of 30253522 is 22535203.

It can be written as a sum of positive squares in 4 ways, for example, as 24295041 + 5958481 = 4929^2 + 2441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30253493 and 30253502.

It is an unprimeable number.

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, 2004 + ... + 8032.

Almost surely, 2^30253522 is an apocalyptic number.

30253522 is a deficient number, since it is larger than the sum of its proper divisors (18878918).

30253522 is a wasteful number, since it uses less digits than its factorization.

30253522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6237.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 30253522 is about 5500.3201724991. The cubic root of 30253522 is about 311.5960762979.

Adding to 30253522 its reverse (22535203), we get a palindrome (52788725).

It can be divided in two parts, 302 and 53522, that added together give a square (53824 = 232²).

The spelling of 30253522 in words is "thirty million, two hundred fifty-three thousand, five hundred twenty-two".