30245525 has 6 divisors (see below), whose sum is σ = 37504482. Its totient is φ = 24196400.

The previous prime is 30245519. The next prime is 30245531. The reversal of 30245525 is 52554203.

It is an interprime number because it is at equal distance from previous prime (30245519) and next prime (30245531).

It can be written as a sum of positive squares in 3 ways, for example, as 4092529 + 26152996 = 2023^2 + 5114^2 .

It is not a de Polignac number, because 30245525 - 2⁶ = 30245461 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 = 30245494 and 30245503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 604886 + ... + 604935.

It is an arithmetic number, because the mean of its divisors is an integer number (6250747).

Almost surely, 2^30245525 is an apocalyptic number.

It is an amenable number.

30245525 is a deficient number, since it is larger than the sum of its proper divisors (7258957).

30245525 is a wasteful number, since it uses less digits than its factorization.

30245525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209831 (or 1209826 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 30245525 is about 5499.5931667715. The cubic root of 30245525 is about 311.5686188511.

Adding to 30245525 its reverse (52554203), we get a palindrome (82799728).

The spelling of 30245525 in words is "thirty million, two hundred forty-five thousand, five hundred twenty-five".