100600551 has 12 divisors (see below), whose sum is σ = 151630128. Its totient is φ = 64150944.

The previous prime is 100600547. The next prime is 100600553. The reversal of 100600551 is 155006001.

100600551 is a `hidden beast` number, since 10 + 0 + 600 + 5 + 51 = 666.

It is not a de Polignac number, because 100600551 - 2² = 100600547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100600553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242790 + ... + 243203.

It is an arithmetic number, because the mean of its divisors is an integer number (12635844).

Almost surely, 2^100600551 is an apocalyptic number.

100600551 is a deficient number, since it is larger than the sum of its proper divisors (51029577).

100600551 is a wasteful number, since it uses less digits than its factorization.

100600551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486022 (or 486019 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 100600551 is about 10029.9826021783. The cubic root of 100600551 is about 465.0861997671.

Adding to 100600551 its reverse (155006001), we get a palindrome (255606552).

The spelling of 100600551 in words is "one hundred million, six hundred thousand, five hundred fifty-one".