1012535569 has 2 divisors, whose sum is σ = 1012535570. Its totient is φ = 1012535568.

The previous prime is 1012535519. The next prime is 1012535591. The reversal of 1012535569 is 9655352101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 928116225 + 84419344 = 30465^2 + 9188^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012535569 - 2¹³ = 1012527377 is a prime.

It is a super-2 number, since 2×1012535569² = 2050456556980307522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012535519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506267784 + 506267785.

It is an arithmetic number, because the mean of its divisors is an integer number (506267785).

Almost surely, 2^1012535569 is an apocalyptic number.

It is an amenable number.

1012535569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012535569 is an equidigital number, since it uses as much as digits as its factorization.

1012535569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 1012535569 is about 31820.3640613994. The cubic root of 1012535569 is about 1004.1611835340.

It can be divided in two parts, 101253556 and 9, that added together give a triangular number (101253565 = T₁₄₂₃₀).

The spelling of 1012535569 in words is "one billion, twelve million, five hundred thirty-five thousand, five hundred sixty-nine".