1427375 has 16 divisors (see below), whose sum is σ = 1878240. Its totient is φ = 1080000.

The previous prime is 1427359. The next prime is 1427383. The reversal of 1427375 is 5737241.

1427375 = 175² + 176² + ... + 212².

It is not a de Polignac number, because 1427375 - 2⁴ = 1427359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2075 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (117390).

2^1427375 is an apocalyptic number.

1427375 is a deficient number, since it is larger than the sum of its proper divisors (450865).

1427375 is an equidigital number, since it uses as much as digits as its factorization.

1427375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 625 counting only the distinct ones).

The product of its digits is 5880, while the sum is 29.

The square root of 1427375 is about 1194.7280025177. The cubic root of 1427375 is about 112.5933381763.

It can be divided in two parts, 14 and 27375, that multiplied together give a triangular number (383250 = T₈₇₅).

The spelling of 1427375 in words is "one million, four hundred twenty-seven thousand, three hundred seventy-five".