30051425 has 6 divisors (see below), whose sum is σ = 37263798. Its totient is φ = 24041120.

The previous prime is 30051419. The next prime is 30051433. The reversal of 30051425 is 52415003.

It can be written as a sum of positive squares in 3 ways, for example, as 10061584 + 19989841 = 3172^2 + 4471^2 .

It is not a de Polignac number, because 30051425 - 2¹⁴ = 30035041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30051397 and 30051406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 601004 + ... + 601053.

It is an arithmetic number, because the mean of its divisors is an integer number (6210633).

Almost surely, 2^30051425 is an apocalyptic number.

It is an amenable number.

30051425 is a deficient number, since it is larger than the sum of its proper divisors (7212373).

30051425 is a wasteful number, since it uses less digits than its factorization.

30051425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202067 (or 1202062 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 30051425 is about 5481.9180037647. The cubic root of 30051425 is about 310.9006930582.

Adding to 30051425 its reverse (52415003), we get a palindrome (82466428).

The spelling of 30051425 in words is "thirty million, fifty-one thousand, four hundred twenty-five".