3475391 has 2 divisors, whose sum is σ = 3475392. Its totient is φ = 3475390.

The previous prime is 3475363. The next prime is 3475393. The reversal of 3475391 is 1935743.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1935743) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3475391 is a prime.

Together with 3475393, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₂₄₈₅₅₈ and since 3475391 and 248558 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3475393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1737695 + 1737696.

It is an arithmetic number, because the mean of its divisors is an integer number (1737696).

Almost surely, 2^3475391 is an apocalyptic number.

3475391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3475391 is an equidigital number, since it uses as much as digits as its factorization.

3475391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 32.

The square root of 3475391 is about 1864.2400596490. The cubic root of 3475391 is about 151.4727664744.

The spelling of 3475391 in words is "three million, four hundred seventy-five thousand, three hundred ninety-one".