1395255 has 16 divisors (see below), whose sum is σ = 2248704. Its totient is φ = 738720.

The previous prime is 1395223. The next prime is 1395263. The reversal of 1395255 is 5525931.

It is not a de Polignac number, because 1395255 - 2⁵ = 1395223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2622 + ... + 3108.

It is an arithmetic number, because the mean of its divisors is an integer number (140544).

2^1395255 is an apocalyptic number.

1395255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1395255 is a deficient number, since it is larger than the sum of its proper divisors (853449).

1395255 is a wasteful number, since it uses less digits than its factorization.

1395255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its digits is 6750, while the sum is 30.

The square root of 1395255 is about 1181.2091262770. The cubic root of 1395255 is about 111.7423659385.

Adding to 1395255 its sum of digits (30), we get a triangular number (1395285 = T₁₆₇₀).

The spelling of 1395255 in words is "one million, three hundred ninety-five thousand, two hundred fifty-five".