3691351 has 2 divisors, whose sum is σ = 3691352. Its totient is φ = 3691350.

The previous prime is 3691349. The next prime is 3691357. The reversal of 3691351 is 1531963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3691351 - 2¹ = 3691349 is a prime.

Together with 3691349, 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 (3691357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1845675 + 1845676.

It is an arithmetic number, because the mean of its divisors is an integer number (1845676).

Almost surely, 2^3691351 is an apocalyptic number.

3691351 is a deficient number, since it is larger than the sum of its proper divisors (1).

3691351 is an equidigital number, since it uses as much as digits as its factorization.

3691351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 28.

The square root of 3691351 is about 1921.2888903025. The cubic root of 3691351 is about 154.5474276879.

The spelling of 3691351 in words is "three million, six hundred ninety-one thousand, three hundred fifty-one".