30065025 has 48 divisors (see below), whose sum is σ = 53746560. Its totient is φ = 14784000.

The previous prime is 30065003. The next prime is 30065039. The reversal of 30065025 is 52056003.

It is not a de Polignac number, because 30065025 - 2¹⁸ = 29802881 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30064992 and 30065010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49725 + ... + 50325.

It is an arithmetic number, because the mean of its divisors is an integer number (1119720).

Almost surely, 2^30065025 is an apocalyptic number.

It is an amenable number.

30065025 is a deficient number, since it is larger than the sum of its proper divisors (23681535).

30065025 is a wasteful number, since it uses less digits than its factorization.

30065025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30065025 is about 5483.1583052106. The cubic root of 30065025 is about 310.9475861395.

The spelling of 30065025 in words is "thirty million, sixty-five thousand, twenty-five".