675451807 has 2 divisors, whose sum is σ = 675451808. Its totient is φ = 675451806.

The previous prime is 675451781. The next prime is 675451813. The reversal of 675451807 is 708154576.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 675451807 - 2¹⁵ = 675419039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675451867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337725903 + 337725904.

It is an arithmetic number, because the mean of its divisors is an integer number (337725904).

Almost surely, 2^675451807 is an apocalyptic number.

675451807 is a deficient number, since it is larger than the sum of its proper divisors (1).

675451807 is an equidigital number, since it uses as much as digits as its factorization.

675451807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 675451807 is about 25989.4556887981. The cubic root of 675451807 is about 877.4009950990.

The spelling of 675451807 in words is "six hundred seventy-five million, four hundred fifty-one thousand, eight hundred seven".