100825565 has 8 divisors (see below), whose sum is σ = 122122080. Its totient is φ = 79906192.

The previous prime is 100825559. The next prime is 100825577. The reversal of 100825565 is 565528001.

100825565 is nontrivially palindromic in base 3.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100825565 - 2²² = 96631261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93695 + ... + 94764.

It is an arithmetic number, because the mean of its divisors is an integer number (15265260).

Almost surely, 2^100825565 is an apocalyptic number.

It is an amenable number.

100825565 is a deficient number, since it is larger than the sum of its proper divisors (21296515).

100825565 is a wasteful number, since it uses less digits than its factorization.

100825565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188571.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 100825565 is about 10041.1934051685. The cubic root of 100825565 is about 465.4326954786.

The spelling of 100825565 in words is "one hundred million, eight hundred twenty-five thousand, five hundred sixty-five".