671350037 has 2 divisors, whose sum is σ = 671350038. Its totient is φ = 671350036.

The previous prime is 671350019. The next prime is 671350091. The reversal of 671350037 is 730053176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437688241 + 233661796 = 20921^2 + 15286^2 .

It is a cyclic number.

It is not a de Polignac number, because 671350037 - 2²⁸ = 402914581 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 671349985 and 671350012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671350007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335675018 + 335675019.

It is an arithmetic number, because the mean of its divisors is an integer number (335675019).

Almost surely, 2^671350037 is an apocalyptic number.

It is an amenable number.

671350037 is a deficient number, since it is larger than the sum of its proper divisors (1).

671350037 is an equidigital number, since it uses as much as digits as its factorization.

671350037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 671350037 is about 25910.4233273021. The cubic root of 671350037 is about 875.6213434916.

The spelling of 671350037 in words is "six hundred seventy-one million, three hundred fifty thousand, thirty-seven".