100825057 has 4 divisors (see below), whose sum is σ = 100875456. Its totient is φ = 100774660.

The previous prime is 100825019. The next prime is 100825061. The reversal of 100825057 is 750528001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100825057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100825097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22069 + ... + 26242.

It is an arithmetic number, because the mean of its divisors is an integer number (25218864).

Almost surely, 2^100825057 is an apocalyptic number.

It is an amenable number.

100825057 is a deficient number, since it is larger than the sum of its proper divisors (50399).

100825057 is an equidigital number, since it uses as much as digits as its factorization.

100825057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50398.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 100825057 is about 10041.1681093387. The cubic root of 100825057 is about 465.4319137979.

The spelling of 100825057 in words is "one hundred million, eight hundred twenty-five thousand, fifty-seven".