30025425 has 12 divisors (see below), whose sum is σ = 49642160. Its totient is φ = 16013520.

The previous prime is 30025423. The next prime is 30025439. The reversal of 30025425 is 52452003.

It is not a de Polignac number, because 30025425 - 2¹ = 30025423 is a prime.

It is a super-2 number, since 2×30025425² = 1803052292861250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30025423) 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, 200095 + ... + 200244.

Almost surely, 2^30025425 is an apocalyptic number.

It is an amenable number.

30025425 is a deficient number, since it is larger than the sum of its proper divisors (19616735).

30025425 is a wasteful number, since it uses less digits than its factorization.

30025425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400352 (or 400347 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 30025425 is about 5479.5460578409. The cubic root of 30025425 is about 310.8110051277.

Adding to 30025425 its reverse (52452003), we get a palindrome (82477428).

The spelling of 30025425 in words is "thirty million, twenty-five thousand, four hundred twenty-five".