30527825 has 6 divisors (see below), whose sum is σ = 37854534. Its totient is φ = 24422240.

The previous prime is 30527803. The next prime is 30527837. The reversal of 30527825 is 52872503.

It can be written as a sum of positive squares in 3 ways, for example, as 595984 + 29931841 = 772^2 + 5471^2 .

It is not a de Polignac number, because 30527825 - 2¹⁴ = 30511441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30527791 and 30527800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610532 + ... + 610581.

It is an arithmetic number, because the mean of its divisors is an integer number (6309089).

Almost surely, 2^30527825 is an apocalyptic number.

It is an amenable number.

30527825 is a deficient number, since it is larger than the sum of its proper divisors (7326709).

30527825 is a wasteful number, since it uses less digits than its factorization.

30527825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221123 (or 1221118 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 30527825 is about 5525.1990914355. The cubic root of 30527825 is about 312.5349720861.

The spelling of 30527825 in words is "thirty million, five hundred twenty-seven thousand, eight hundred twenty-five".