30032520425 has 6 divisors (see below), whose sum is σ = 37240325358. Its totient is φ = 24026016320.

The previous prime is 30032520409. The next prime is 30032520431. The reversal of 30032520425 is 52402523003.

It can be written as a sum of positive squares in 3 ways, for example, as 270405136 + 29762115289 = 16444^2 + 172517^2 .

It is not a de Polignac number, because 30032520425 - 2⁴ = 30032520409 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 = 30032520394 and 30032520403.

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, 600650384 + ... + 600650433.

It is an arithmetic number, because the mean of its divisors is an integer number (6206720893).

Almost surely, 2^30032520425 is an apocalyptic number.

It is an amenable number.

30032520425 is a deficient number, since it is larger than the sum of its proper divisors (7207804933).

30032520425 is a wasteful number, since it uses less digits than its factorization.

30032520425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201300827 (or 1201300822 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The spelling of 30032520425 in words is "thirty billion, thirty-two million, five hundred twenty thousand, four hundred twenty-five".