1591255 has 16 divisors (see below), whose sum is σ = 2026944. Its totient is φ = 1196800.

The previous prime is 1591253. The next prime is 1591267. The reversal of 1591255 is 5521951.

It is not a de Polignac number, because 1591255 - 2¹ = 1591253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1591253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11547 + ... + 11683.

It is an arithmetic number, because the mean of its divisors is an integer number (126684).

2^1591255 is an apocalyptic number.

1591255 is a deficient number, since it is larger than the sum of its proper divisors (435689).

1591255 is a wasteful number, since it uses less digits than its factorization.

1591255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266.

The product of its digits is 2250, while the sum is 28.

The square root of 1591255 is about 1261.4495630028. The cubic root of 1591255 is about 116.7472323334.

The spelling of 1591255 in words is "one million, five hundred ninety-one thousand, two hundred fifty-five".