825251065430 has 16 divisors (see below), whose sum is σ = 1620493001424. Its totient is φ = 300091296480.

The previous prime is 825251065421. The next prime is 825251065489. The reversal of 825251065430 is 34560152528.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3751141097 + ... + 3751141316.

It is an arithmetic number, because the mean of its divisors is an integer number (101280812589).

Almost surely, 2^825251065430 is an apocalyptic number.

825251065430 is a deficient number, since it is larger than the sum of its proper divisors (795241935994).

825251065430 is a wasteful number, since it uses less digits than its factorization.

825251065430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502282431.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 825251065430 in words is "eight hundred twenty-five billion, two hundred fifty-one million, sixty-five thousand, four hundred thirty".