1525535 has 8 divisors (see below), whose sum is σ = 1997136. Its totient is φ = 1109440.

The previous prime is 1525507. The next prime is 1525561. The reversal of 1525535 is 5355251.

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

It is not a de Polignac number, because 1525535 - 2⁶ = 1525471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13814 + ... + 13923.

It is an arithmetic number, because the mean of its divisors is an integer number (249642).

2^1525535 is an apocalyptic number.

1525535 is a deficient number, since it is larger than the sum of its proper divisors (471601).

1525535 is a wasteful number, since it uses less digits than its factorization.

1525535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27753.

The product of its digits is 3750, while the sum is 26.

The square root of 1525535 is about 1235.1254996963. The cubic root of 1525535 is about 115.1173345591.

The spelling of 1525535 in words is "one million, five hundred twenty-five thousand, five hundred thirty-five".