256030006025 has 12 divisors (see below), whose sum is σ = 334186534800. Its totient is φ = 194043793680.

The previous prime is 256030005989. The next prime is 256030006051. The reversal of 256030006025 is 520600030652.

It is a happy number.

It is not a de Polignac number, because 256030006025 - 2¹⁸ = 256029743881 is a prime.

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, 269504795 + ... + 269505744.

It is an arithmetic number, because the mean of its divisors is an integer number (27848877900).

Almost surely, 2^256030006025 is an apocalyptic number.

256030006025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

256030006025 is a deficient number, since it is larger than the sum of its proper divisors (78156528775).

256030006025 is a wasteful number, since it uses less digits than its factorization.

256030006025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539010568 (or 539010563 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 256030006025 its reverse (520600030652), we get a palindrome (776630036677).

The spelling of 256030006025 in words is "two hundred fifty-six billion, thirty million, six thousand, twenty-five".