1535069 has 2 divisors, whose sum is σ = 1535070. Its totient is φ = 1535068.

The previous prime is 1535041. The next prime is 1535071. The reversal of 1535069 is 9605351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1530169 + 4900 = 1237^2 + 70^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1535069 is a prime.

It is a super-2 number, since 2×1535069² = 4712873669522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1535071, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1535269) by changing a digit.

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 as a sum of consecutive naturals, namely, 767534 + 767535.

It is an arithmetic number, because the mean of its divisors is an integer number (767535).

2^1535069 is an apocalyptic number.

It is an amenable number.

1535069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1535069 is an equidigital number, since it uses as much as digits as its factorization.

1535069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 1535069 is about 1238.9790151572. The cubic root of 1535069 is about 115.3566495529.

The spelling of 1535069 in words is "one million, five hundred thirty-five thousand, sixty-nine".