1525965 has 16 divisors (see below), whose sum is σ = 2790528. Its totient is φ = 697536.

The previous prime is 1525963. The next prime is 1525967. The reversal of 1525965 is 5695251.

It is an interprime number because it is at equal distance from previous prime (1525963) and next prime (1525967).

It is not a de Polignac number, because 1525965 - 2¹ = 1525963 is a prime.

1525965 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7162 + ... + 7371.

It is an arithmetic number, because the mean of its divisors is an integer number (174408).

2^1525965 is an apocalyptic number.

1525965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1525965 is a deficient number, since it is larger than the sum of its proper divisors (1264563).

1525965 is a wasteful number, since it uses less digits than its factorization.

1525965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14548.

The product of its digits is 13500, while the sum is 33.

The square root of 1525965 is about 1235.2995588115. The cubic root of 1525965 is about 115.1281495199.

The spelling of 1525965 in words is "one million, five hundred twenty-five thousand, nine hundred sixty-five".