3695551 has 2 divisors, whose sum is σ = 3695552. Its totient is φ = 3695550.

The previous prime is 3695539. The next prime is 3695569. The reversal of 3695551 is 1555963.

It is a weak prime.

It is an emirp because it is prime and its reverse (1555963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3695551 - 2⁹ = 3695039 is a prime.

3695551 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3695501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847775 + 1847776.

It is an arithmetic number, because the mean of its divisors is an integer number (1847776).

Almost surely, 2^3695551 is an apocalyptic number.

3695551 is a deficient number, since it is larger than the sum of its proper divisors (1).

3695551 is an equidigital number, since it uses as much as digits as its factorization.

3695551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20250, while the sum is 34.

The square root of 3695551 is about 1922.3815958337. The cubic root of 3695551 is about 154.6060198918.

The spelling of 3695551 in words is "three million, six hundred ninety-five thousand, five hundred fifty-one".