1041023561 has 2 divisors, whose sum is σ = 1041023562. Its totient is φ = 1041023560.

The previous prime is 1041023551. The next prime is 1041023567. The reversal of 1041023561 is 1653201401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1013785600 + 27237961 = 31840^2 + 5219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1041023561 is a prime.

It is a super-3 number, since 3×1041023561³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1041023567) 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, 520511780 + 520511781.

It is an arithmetic number, because the mean of its divisors is an integer number (520511781).

Almost surely, 2^1041023561 is an apocalyptic number.

It is an amenable number.

1041023561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041023561 is an equidigital number, since it uses as much as digits as its factorization.

1041023561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1041023561 is about 32264.8967300377. The cubic root of 1041023561 is about 1013.4916763925.

Adding to 1041023561 its reverse (1653201401), we get a palindrome (2694224962).

The spelling of 1041023561 in words is "one billion, forty-one million, twenty-three thousand, five hundred sixty-one".