30025065 has 16 divisors (see below), whose sum is σ = 54903168. Its totient is φ = 13725696.

The previous prime is 30025049. The next prime is 30025067. The reversal of 30025065 is 56052003.

It is not a de Polignac number, because 30025065 - 2⁴ = 30025049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30025067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142872 + ... + 143081.

It is an arithmetic number, because the mean of its divisors is an integer number (3431448).

Almost surely, 2^30025065 is an apocalyptic number.

30025065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30025065 is a deficient number, since it is larger than the sum of its proper divisors (24878103).

30025065 is a wasteful number, since it uses less digits than its factorization.

30025065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285968.

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

The square root of 30025065 is about 5479.5132083060. The cubic root of 30025065 is about 310.8097629315.

Adding to 30025065 its reverse (56052003), we get a palindrome (86077068).

The spelling of 30025065 in words is "thirty million, twenty-five thousand, sixty-five".