1535530 has 16 divisors (see below), whose sum is σ = 2829024. Its totient is φ = 599760.

The previous prime is 1535507. The next prime is 1535531. The reversal of 1535530 is 355351.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1535531) 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, 1356 + ... + 2215.

It is an arithmetic number, because the mean of its divisors is an integer number (176814).

2^1535530 is an apocalyptic number.

1535530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1535530 is a deficient number, since it is larger than the sum of its proper divisors (1293494).

1535530 is a wasteful number, since it uses less digits than its factorization.

1535530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 1535530 is about 1239.1650414695. The cubic root of 1535530 is about 115.3681960682.

The spelling of 1535530 in words is "one million, five hundred thirty-five thousand, five hundred thirty".