1395523 has 2 divisors, whose sum is σ = 1395524. Its totient is φ = 1395522.

The previous prime is 1395491. The next prime is 1395533. The reversal of 1395523 is 3255931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1395523 - 2⁵ = 1395491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1395491 and 1395500.

It is not a weakly prime, because it can be changed into another prime (1395533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697761 + 697762.

It is an arithmetic number, because the mean of its divisors is an integer number (697762).

2^1395523 is an apocalyptic number.

1395523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395523 is an equidigital number, since it uses as much as digits as its factorization.

1395523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 28.

The square root of 1395523 is about 1181.3225639088. The cubic root of 1395523 is about 111.7495199562.

The spelling of 1395523 in words is "one million, three hundred ninety-five thousand, five hundred twenty-three".