1425705 has 16 divisors (see below), whose sum is σ = 2415744. Its totient is φ = 715520.

The previous prime is 1425667. The next prime is 1425707. The reversal of 1425705 is 5075241.

It is not a de Polignac number, because 1425705 - 2¹⁰ = 1424681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425707) 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, 2541 + ... + 3050.

It is an arithmetic number, because the mean of its divisors is an integer number (150984).

2^1425705 is an apocalyptic number.

1425705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425705 is a deficient number, since it is larger than the sum of its proper divisors (990039).

1425705 is a wasteful number, since it uses less digits than its factorization.

1425705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 1425705 is about 1194.0288941228. The cubic root of 1425705 is about 112.5494103944.

The spelling of 1425705 in words is "one million, four hundred twenty-five thousand, seven hundred five".