207670061 has 2 divisors, whose sum is σ = 207670062. Its totient is φ = 207670060.

The previous prime is 207670049. The next prime is 207670063. The reversal of 207670061 is 160076702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105781225 + 101888836 = 10285^2 + 10094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207670061 is a prime.

Together with 207670063, 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 (207670063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103835030 + 103835031.

It is an arithmetic number, because the mean of its divisors is an integer number (103835031).

Almost surely, 2^207670061 is an apocalyptic number.

It is an amenable number.

207670061 is a deficient number, since it is larger than the sum of its proper divisors (1).

207670061 is an equidigital number, since it uses as much as digits as its factorization.

207670061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 207670061 is about 14410.7619854052. The cubic root of 207670061 is about 592.1857648777.

The spelling of 207670061 in words is "two hundred seven million, six hundred seventy thousand, sixty-one".