100825542 has 24 divisors (see below), whose sum is σ = 219238344. Its totient is φ = 33488064.

The previous prime is 100825523. The next prime is 100825559. The reversal of 100825542 is 245528001.

It is a happy number.

100825542 is a `hidden beast` number, since 100 + 8 + 2 + 554 + 2 = 666.

It is a congruent number.

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, 4803 + ... + 14990.

It is an arithmetic number, because the mean of its divisors is an integer number (9134931).

Almost surely, 2^100825542 is an apocalyptic number.

100825542 is an abundant number, since it is smaller than the sum of its proper divisors (118412802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100825542 is a wasteful number, since it uses less digits than its factorization.

100825542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20084 (or 20081 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 100825542 is about 10041.1922598863. The cubic root of 100825542 is about 465.4326600876.

The spelling of 100825542 in words is "one hundred million, eight hundred twenty-five thousand, five hundred forty-two".