672275257061 has 2 divisors, whose sum is σ = 672275257062. Its totient is φ = 672275257060.

The previous prime is 672275257051. The next prime is 672275257063. The reversal of 672275257061 is 160752572276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 563955940900 + 108319316161 = 750970^2 + 329119^2 .

It is a cyclic number.

It is not a de Polignac number, because 672275257061 - 2²⁶ = 672208148197 is a prime.

It is a Sophie Germain prime.

Together with 672275257063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672275257063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336137628530 + 336137628531.

It is an arithmetic number, because the mean of its divisors is an integer number (336137628531).

Almost surely, 2^672275257061 is an apocalyptic number.

It is an amenable number.

672275257061 is a deficient number, since it is larger than the sum of its proper divisors (1).

672275257061 is an equidigital number, since it uses as much as digits as its factorization.

672275257061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 672275257061 in words is "six hundred seventy-two billion, two hundred seventy-five million, two hundred fifty-seven thousand, sixty-one".