30216025 has 12 divisors (see below), whose sum is σ = 42820672. Its totient is φ = 20719440.

The previous prime is 30215993. The next prime is 30216029. The reversal of 30216025 is 52061203.

It is a happy number.

It is not a de Polignac number, because 30216025 - 2⁵ = 30215993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30215993 and 30216011.

It is not an unprimeable number, because it can be changed into a prime (30216029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86157 + ... + 86506.

Almost surely, 2^30216025 is an apocalyptic number.

30216025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30216025 is a deficient number, since it is larger than the sum of its proper divisors (12604647).

30216025 is a wasteful number, since it uses less digits than its factorization.

30216025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172680 (or 172675 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 30216025 is about 5496.9104959059. The cubic root of 30216025 is about 311.4672896559.

Adding to 30216025 its reverse (52061203), we get a palindrome (82277228).

The spelling of 30216025 in words is "thirty million, two hundred sixteen thousand, twenty-five".