1043252569 has 2 divisors, whose sum is σ = 1043252570. Its totient is φ = 1043252568.

The previous prime is 1043252537. The next prime is 1043252621. The reversal of 1043252569 is 9652523401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1010476944 + 32775625 = 31788^2 + 5725^2 .

It is an emirp because it is prime and its reverse (9652523401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1043252569 - 2⁵ = 1043252537 is a prime.

It is a super-3 number, since 3×1043252569³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1043252519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521626284 + 521626285.

It is an arithmetic number, because the mean of its divisors is an integer number (521626285).

Almost surely, 2^1043252569 is an apocalyptic number.

It is an amenable number.

1043252569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043252569 is an equidigital number, since it uses as much as digits as its factorization.

1043252569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1043252569 is about 32299.4205675582. The cubic root of 1043252569 is about 1014.2145132542.

It can be divided in two parts, 10432 and 52569, that added together give a square (63001 = 251²).

The spelling of 1043252569 in words is "one billion, forty-three million, two hundred fifty-two thousand, five hundred sixty-nine".