1006252369261 has 2 divisors, whose sum is σ = 1006252369262. Its totient is φ = 1006252369260.

The previous prime is 1006252369237. The next prime is 1006252369271. The reversal of 1006252369261 is 1629632526001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734759266761 + 271493102500 = 857181^2 + 521050^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006252369261 - 2³¹ = 1004104885613 is a prime.

It is a super-2 number, since 2×1006252369261² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006252369271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503126184630 + 503126184631.

It is an arithmetic number, because the mean of its divisors is an integer number (503126184631).

Almost surely, 2^{1006252369261} is an apocalyptic number.

It is an amenable number.

1006252369261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006252369261 is an equidigital number, since it uses as much as digits as its factorization.

1006252369261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 1006252369261 in words is "one trillion, six billion, two hundred fifty-two million, three hundred sixty-nine thousand, two hundred sixty-one".