30953025 has 36 divisors (see below), whose sum is σ = 56639232. Its totient is φ = 16151520.

The previous prime is 30953017. The next prime is 30953029. The reversal of 30953025 is 52035903.

It is not a de Polignac number, because 30953025 - 2³ = 30953017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30953025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30953029) 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 35 ways as a sum of consecutive naturals, for example, 9112 + ... + 12038.

It is an arithmetic number, because the mean of its divisors is an integer number (1573312).

Almost surely, 2^30953025 is an apocalyptic number.

It is an amenable number.

30953025 is a deficient number, since it is larger than the sum of its proper divisors (25686207).

30953025 is a wasteful number, since it uses less digits than its factorization.

30953025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2982 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 30953025 is about 5563.5442839974. The cubic root of 30953025 is about 313.9793115232.

Adding to 30953025 its reverse (52035903), we get a palindrome (82988928).

The spelling of 30953025 in words is "thirty million, nine hundred fifty-three thousand, twenty-five".