1395491 has 2 divisors, whose sum is σ = 1395492. Its totient is φ = 1395490.

The previous prime is 1395487. The next prime is 1395523. The reversal of 1395491 is 1945931.

It is an a-pointer prime, because the next prime (1395523) can be obtained adding 1395491 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1395491 - 2² = 1395487 is a prime.

It is not a weakly prime, because it can be changed into another prime (1395481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697745 + 697746.

It is an arithmetic number, because the mean of its divisors is an integer number (697746).

2^1395491 is an apocalyptic number.

1395491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395491 is an equidigital number, since it uses as much as digits as its factorization.

1395491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 32.

The square root of 1395491 is about 1181.3090196896. The cubic root of 1395491 is about 111.7486657933.

The spelling of 1395491 in words is "one million, three hundred ninety-five thousand, four hundred ninety-one".