30425013 has 12 divisors (see below), whose sum is σ = 44550220. Its totient is φ = 20005056.

The previous prime is 30424969. The next prime is 30425039. The reversal of 30425013 is 31052403.

Added to its reverse (31052403) it gives a triangular number (61477416 = T₁₁₀₈₈).

It can be written as a sum of positive squares in 2 ways, for example, as 21316689 + 9108324 = 4617^2 + 3018^2 .

It is not a de Polignac number, because 30425013 - 2¹² = 30420917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30425093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22498 + ... + 23811.

Almost surely, 2^30425013 is an apocalyptic number.

It is an amenable number.

30425013 is a deficient number, since it is larger than the sum of its proper divisors (14125207).

30425013 is a wasteful number, since it uses less digits than its factorization.

30425013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46388 (or 46385 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30425013 is about 5515.8873266230. The cubic root of 30425013 is about 312.1837243845.

Adding to 30425013 its reverse (31052403), we get a palindrome (61477416).

The spelling of 30425013 in words is "thirty million, four hundred twenty-five thousand, thirteen".