1525135 has 8 divisors (see below), whose sum is σ = 1840896. Its totient is φ = 1212960.

The previous prime is 1525133. The next prime is 1525157. The reversal of 1525135 is 5315251.

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

It is not a de Polignac number, because 1525135 - 2¹ = 1525133 is a prime.

It is an Ulam number.

It is a Duffinian number.

1525135 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525133) 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, 157 + ... + 1753.

It is an arithmetic number, because the mean of its divisors is an integer number (230112).

2^1525135 is an apocalyptic number.

1525135 is a deficient number, since it is larger than the sum of its proper divisors (315761).

1525135 is a wasteful number, since it uses less digits than its factorization.

1525135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793.

The product of its digits is 750, while the sum is 22.

The square root of 1525135 is about 1234.9635622155. The cubic root of 1525135 is about 115.1072723058.

The spelling of 1525135 in words is "one million, five hundred twenty-five thousand, one hundred thirty-five".