30052780025 has 12 divisors (see below), whose sum is σ = 37876358124. Its totient is φ = 23648088000.

The previous prime is 30052780019. The next prime is 30052780039. The reversal of 30052780025 is 52008725003.

It can be written as a sum of positive squares in 6 ways, for example, as 1934856169 + 28117923856 = 43987^2 + 167684^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30052780025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30052779973 and 30052780000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9851846 + ... + 9854895.

It is an arithmetic number, because the mean of its divisors is an integer number (3156363177).

Almost surely, 2^30052780025 is an apocalyptic number.

It is an amenable number.

30052780025 is a deficient number, since it is larger than the sum of its proper divisors (7823578099).

30052780025 is a wasteful number, since it uses less digits than its factorization.

30052780025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19706812 (or 19706807 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 30052780025 in words is "thirty billion, fifty-two million, seven hundred eighty thousand, twenty-five".