30345825 has 24 divisors (see below), whose sum is σ = 50371776. Its totient is φ = 16120000.

The previous prime is 30345823. The next prime is 30345827. The reversal of 30345825 is 52854303.

It is an interprime number because it is at equal distance from previous prime (30345823) and next prime (30345827).

It is not a de Polignac number, because 30345825 - 2¹ = 30345823 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30345792 and 30345801.

It is not an unprimeable number, because it can be changed into a prime (30345823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22675 + ... + 23975.

It is an arithmetic number, because the mean of its divisors is an integer number (2098824).

Almost surely, 2^30345825 is an apocalyptic number.

It is an amenable number.

30345825 is a deficient number, since it is larger than the sum of its proper divisors (20025951).

30345825 is a wasteful number, since it uses less digits than its factorization.

30345825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 30345825 is about 5508.7044756458. The cubic root of 30345825 is about 311.9126460741.

The spelling of 30345825 in words is "thirty million, three hundred forty-five thousand, eight hundred twenty-five".