100561607 has 2 divisors, whose sum is σ = 100561608. Its totient is φ = 100561606.

The previous prime is 100561553. The next prime is 100561619. The reversal of 100561607 is 706165001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100561607 - 2¹⁰ = 100560583 is a prime.

It is a super-2 number, since 2×100561607² = 20225273604844898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100561667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50280803 + 50280804.

It is an arithmetic number, because the mean of its divisors is an integer number (50280804).

Almost surely, 2^100561607 is an apocalyptic number.

100561607 is a deficient number, since it is larger than the sum of its proper divisors (1).

100561607 is an equidigital number, since it uses as much as digits as its factorization.

100561607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 100561607 is about 10028.0410350178. The cubic root of 100561607 is about 465.0261780460.

The spelling of 100561607 in words is "one hundred million, five hundred sixty-one thousand, six hundred seven".