30229525 has 6 divisors (see below), whose sum is σ = 37484642. Its totient is φ = 24183600.

The previous prime is 30229523. The next prime is 30229531. The reversal of 30229525 is 52592203.

It can be written as a sum of positive squares in 3 ways, for example, as 1521 + 30228004 = 39^2 + 5498^2 .

It is not a de Polignac number, because 30229525 - 2¹ = 30229523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30229493 and 30229502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30229523) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 604566 + ... + 604615.

Almost surely, 2^30229525 is an apocalyptic number.

It is an amenable number.

30229525 is a deficient number, since it is larger than the sum of its proper divisors (7255117).

30229525 is a wasteful number, since it uses less digits than its factorization.

30229525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209191 (or 1209186 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 30229525 is about 5498.1383212866. The cubic root of 30229525 is about 311.5136688245.

The spelling of 30229525 in words is "thirty million, two hundred twenty-nine thousand, five hundred twenty-five".