30214025 has 6 divisors (see below), whose sum is σ = 37465422. Its totient is φ = 24171200.

The previous prime is 30214021. The next prime is 30214033. The reversal of 30214025 is 52041203.

It can be written as a sum of positive squares in 3 ways, for example, as 5968249 + 24245776 = 2443^2 + 4924^2 .

It is not a de Polignac number, because 30214025 - 2² = 30214021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30213994 and 30214012.

It is not an unprimeable number, because it can be changed into a prime (30214021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 604256 + ... + 604305.

It is an arithmetic number, because the mean of its divisors is an integer number (6244237).

Almost surely, 2^30214025 is an apocalyptic number.

It is an amenable number.

30214025 is a deficient number, since it is larger than the sum of its proper divisors (7251397).

30214025 is a wasteful number, since it uses less digits than its factorization.

30214025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208571 (or 1208566 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 30214025 is about 5496.7285725238. The cubic root of 30214025 is about 311.4604174932.

Adding to 30214025 its reverse (52041203), we get a palindrome (82255228).

The spelling of 30214025 in words is "thirty million, two hundred fourteen thousand, twenty-five".