670342901 has 2 divisors, whose sum is σ = 670342902. Its totient is φ = 670342900.

The previous prime is 670342891. The next prime is 670342913. The reversal of 670342901 is 109243076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625050001 + 45292900 = 25001^2 + 6730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670342901 is a prime.

It is a Chen prime.

It is equal to p_34795310 and since 670342901 and 34795310 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670342921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335171450 + 335171451.

It is an arithmetic number, because the mean of its divisors is an integer number (335171451).

Almost surely, 2^670342901 is an apocalyptic number.

It is an amenable number.

670342901 is a deficient number, since it is larger than the sum of its proper divisors (1).

670342901 is an equidigital number, since it uses as much as digits as its factorization.

670342901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 670342901 is about 25890.9810744977. The cubic root of 670342901 is about 875.1832654498.

Adding to 670342901 its reverse (109243076), we get a palindrome (779585977).

The spelling of 670342901 in words is "six hundred seventy million, three hundred forty-two thousand, nine hundred one".