3687005213 has 2 divisors, whose sum is σ = 3687005214. Its totient is φ = 3687005212.

The previous prime is 3687005209. The next prime is 3687005353. The reversal of 3687005213 is 3125007863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1890771289 + 1796233924 = 43483^2 + 42382^2 .

It is a cyclic number.

It is not a de Polignac number, because 3687005213 - 2² = 3687005209 is a prime.

It is a super-3 number, since 3×3687005213³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3687007213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843502606 + 1843502607.

It is an arithmetic number, because the mean of its divisors is an integer number (1843502607).

Almost surely, 2^3687005213 is an apocalyptic number.

It is an amenable number.

3687005213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3687005213 is an equidigital number, since it uses as much as digits as its factorization.

3687005213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 3687005213 is about 60720.7148590989. The cubic root of 3687005213 is about 1544.8675487534.

The spelling of 3687005213 in words is "three billion, six hundred eighty-seven million, five thousand, two hundred thirteen".