30969025 has 6 divisors (see below), whose sum is σ = 38401622. Its totient is φ = 24775200.

The previous prime is 30969023. The next prime is 30969047. The reversal of 30969025 is 52096903.

30969025 = T₈₇₁ + T₈₇₂ + ... + T₉₄₅.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4682896 + 26286129 = 2164^2 + 5127^2 .

It is not a de Polignac number, because 30969025 - 2¹ = 30969023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30969023) 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, 619356 + ... + 619405.

Almost surely, 2^30969025 is an apocalyptic number.

It is an amenable number.

30969025 is a deficient number, since it is larger than the sum of its proper divisors (7432597).

30969025 is a wasteful number, since it uses less digits than its factorization.

30969025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238771 (or 1238766 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 30969025 is about 5564.9820305191. The cubic root of 30969025 is about 314.0334021291.

It can be divided in two parts, 3096 and 9025, that added together give a palindrome (12121).

The spelling of 30969025 in words is "thirty million, nine hundred sixty-nine thousand, twenty-five".