1000061807 has 2 divisors, whose sum is σ = 1000061808.
Its totient is φ = 1000061806.
The previous prime is 1000061759. The next prime is 1000061809. The reversal of 1000061807 is 7081600001.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1000061807 - 212 = 1000057711 is a prime.
Together with 1000061809, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1000061809) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500030903 + 500030904.
It is an arithmetic number, because the mean of its divisors is an integer number (500030904).
Almost surely, 21000061807 is an apocalyptic number.
1000061807 is a deficient number, since it is larger than the sum of its proper divisors (1).
1000061807 is an equidigital number, since it uses as much as digits as its factorization.
1000061807 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 1000061807 is about 31623.7538410607.
The cubic root of 1000061807 is about 1000.0206019089.
Adding to 1000061807 its reverse (7081600001), we get a palindrome (8081661808).
The spelling of 1000061807 in words is "one billion, sixty-one thousand, eight hundred seven".