1395297523 has 2 divisors, whose sum is σ = 1395297524. Its totient is φ = 1395297522.

The previous prime is 1395297521. The next prime is 1395297529. The reversal of 1395297523 is 3257925931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1395297523 - 2¹ = 1395297521 is a prime.

Together with 1395297521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1395297521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697648761 + 697648762.

It is an arithmetic number, because the mean of its divisors is an integer number (697648762).

Almost surely, 2^1395297523 is an apocalyptic number.

1395297523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395297523 is an equidigital number, since it uses as much as digits as its factorization.

1395297523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 510300, while the sum is 46.

The square root of 1395297523 is about 37353.6815186937. The cubic root of 1395297523 is about 1117.4350111265.

The spelling of 1395297523 in words is "one billion, three hundred ninety-five million, two hundred ninety-seven thousand, five hundred twenty-three".