30265245 has 20 divisors (see below), whose sum is σ = 54253980. Its totient is φ = 16141248.

The previous prime is 30265237. The next prime is 30265259. The reversal of 30265245 is 54256203.

30265245 is a `hidden beast` number, since 3 + 0 + 2 + 652 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11758041 + 18507204 = 3429^2 + 4302^2 .

It is not a de Polignac number, because 30265245 - 2³ = 30265237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36960 + ... + 37769.

It is an arithmetic number, because the mean of its divisors is an integer number (2712699).

Almost surely, 2^30265245 is an apocalyptic number.

It is an amenable number.

30265245 is a deficient number, since it is larger than the sum of its proper divisors (23988735).

30265245 is an equidigital number, since it uses as much as digits as its factorization.

30265245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74746 (or 74737 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 30265245 is about 5501.3857345218. The cubic root of 30265245 is about 311.6363181039.

The spelling of 30265245 in words is "thirty million, two hundred sixty-five thousand, two hundred forty-five".