30650245 has 24 divisors (see below), whose sum is σ = 39320424. Its totient is φ = 22917888.

The previous prime is 30650219. The next prime is 30650261. The reversal of 30650245 is 54205603.

It can be written as a sum of positive squares in 12 ways, for example, as 367236 + 30283009 = 606^2 + 5503^2 .

It is not a de Polignac number, because 30650245 - 2⁷ = 30650117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155487 + ... + 155683.

It is an arithmetic number, because the mean of its divisors is an integer number (1638351).

Almost surely, 2^30650245 is an apocalyptic number.

It is an amenable number.

30650245 is a deficient number, since it is larger than the sum of its proper divisors (8670179).

30650245 is a wasteful number, since it uses less digits than its factorization.

30650245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 30650245 is about 5536.2663411364. The cubic root of 30650245 is about 312.9521816527.

Adding to 30650245 its reverse (54205603), we get a palindrome (84855848).

The spelling of 30650245 in words is "thirty million, six hundred fifty thousand, two hundred forty-five".