2670637 has 2 divisors, whose sum is σ = 2670638. Its totient is φ = 2670636.

The previous prime is 2670611. The next prime is 2670643. The reversal of 2670637 is 7360762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1798281 + 872356 = 1341^2 + 934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2670637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2670599 and 2670608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2670667) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335318 + 1335319.

It is an arithmetic number, because the mean of its divisors is an integer number (1335319).

2^2670637 is an apocalyptic number.

It is an amenable number.

2670637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670637 is an equidigital number, since it uses as much as digits as its factorization.

2670637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 2670637 is about 1634.2083710470. The cubic root of 2670637 is about 138.7410426271.

The spelling of 2670637 in words is "two million, six hundred seventy thousand, six hundred thirty-seven".