1395263 has 2 divisors, whose sum is σ = 1395264. Its totient is φ = 1395262.

The previous prime is 1395223. The next prime is 1395283. The reversal of 1395263 is 3625931.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1395263 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697631 + 697632.

It is an arithmetic number, because the mean of its divisors is an integer number (697632).

2^1395263 is an apocalyptic number.

1395263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395263 is an equidigital number, since it uses as much as digits as its factorization.

1395263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 29.

The square root of 1395263 is about 1181.2125126327. The cubic root of 1395263 is about 111.7425795045.

The spelling of 1395263 in words is "one million, three hundred ninety-five thousand, two hundred sixty-three".