30275025 has 24 divisors (see below), whose sum is σ = 54606624. Its totient is φ = 14678400.

The previous prime is 30275023. The next prime is 30275027. The reversal of 30275025 is 52057203.

It is an interprime number because it is at equal distance from previous prime (30275023) and next prime (30275027).

It is not a de Polignac number, because 30275025 - 2¹ = 30275023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30274986 and 30275004.

It is not an unprimeable number, because it can be changed into a prime (30275023) 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, 17524 + ... + 19173.

It is an arithmetic number, because the mean of its divisors is an integer number (2275276).

Almost surely, 2^30275025 is an apocalyptic number.

It is an amenable number.

30275025 is a deficient number, since it is larger than the sum of its proper divisors (24331599).

30275025 is a wasteful number, since it uses less digits than its factorization.

30275025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36721 (or 36716 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 30275025 is about 5502.2745296832. The cubic root of 30275025 is about 311.6698821800.

The spelling of 30275025 in words is "thirty million, two hundred seventy-five thousand, twenty-five".