670500541 has 2 divisors, whose sum is σ = 670500542. Its totient is φ = 670500540.

The previous prime is 670500539. The next prime is 670500583. The reversal of 670500541 is 145005076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646939225 + 23561316 = 25435^2 + 4854^2 .

It is a cyclic number.

It is not a de Polignac number, because 670500541 - 2¹ = 670500539 is a prime.

Together with 670500539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670503541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335250270 + 335250271.

It is an arithmetic number, because the mean of its divisors is an integer number (335250271).

Almost surely, 2^670500541 is an apocalyptic number.

It is an amenable number.

670500541 is a deficient number, since it is larger than the sum of its proper divisors (1).

670500541 is an equidigital number, since it uses as much as digits as its factorization.

670500541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 670500541 is about 25894.0251988755. The cubic root of 670500541 is about 875.2518637132.

The spelling of 670500541 in words is "six hundred seventy million, five hundred thousand, five hundred forty-one".