1913275 has 36 divisors (see below), whose sum is σ = 3024112. Its totient is φ = 1169280.

The previous prime is 1913273. The next prime is 1913287. The reversal of 1913275 is 5723191.

It is not a de Polignac number, because 1913275 - 2¹ = 1913273 is a prime.

Its product of digits (1890) is a multiple of the sum of its prime divisors (54).

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1913273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65961 + ... + 65989.

2^1913275 is an apocalyptic number.

1913275 is a deficient number, since it is larger than the sum of its proper divisors (1110837).

1913275 is a wasteful number, since it uses less digits than its factorization.

1913275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 54 counting only the distinct ones).

The product of its digits is 1890, while the sum is 28.

The square root of 1913275 is about 1383.2118420546. The cubic root of 1913275 is about 124.1440184107.

It can be divided in two parts, 1 and 913275, that added together give a triangular number (913276 = T₁₃₅₁).

The spelling of 1913275 in words is "one million, nine hundred thirteen thousand, two hundred seventy-five".