1525705 has 8 divisors (see below), whose sum is σ = 1910592. Its totient is φ = 1167408.

The previous prime is 1525703. The next prime is 1525709. The reversal of 1525705 is 5075251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1525705 - 2¹ = 1525703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1525705.

It is not an unprimeable number, because it can be changed into a prime (1525703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6519 + ... + 6748.

It is an arithmetic number, because the mean of its divisors is an integer number (238824).

2^1525705 is an apocalyptic number.

It is an amenable number.

1525705 is a deficient number, since it is larger than the sum of its proper divisors (384887).

1525705 is a wasteful number, since it uses less digits than its factorization.

1525705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13295.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 1525705 is about 1235.1943166968. The cubic root of 1525705 is about 115.1216104841.

The spelling of 1525705 in words is "one million, five hundred twenty-five thousand, seven hundred five".