30840061825 has 12 divisors (see below), whose sum is σ = 38244653500. Its totient is φ = 24670128960.

The previous prime is 30840061799. The next prime is 30840061829. The reversal of 30840061825 is 52816004803.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 455737104 + 30384324721 = 21348^2 + 174311^2 .

It is not a de Polignac number, because 30840061825 - 2³³ = 22250127233 is a prime.

It is a super-2 number, since 2×30840061825² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30840061829) 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, 341551 + ... + 422299.

Almost surely, 2^30840061825 is an apocalyptic number.

It is an amenable number.

30840061825 is a deficient number, since it is larger than the sum of its proper divisors (7404591675).

30840061825 is a wasteful number, since it uses less digits than its factorization.

30840061825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96036 (or 96031 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 30840061825 in words is "thirty billion, eight hundred forty million, sixty-one thousand, eight hundred twenty-five".