261752255033 has 2 divisors, whose sum is σ = 261752255034. Its totient is φ = 261752255032.

The previous prime is 261752254979. The next prime is 261752255053. The reversal of 261752255033 is 330552257162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245151736384 + 16600518649 = 495128^2 + 128843^2 .

It is a cyclic number.

It is not a de Polignac number, because 261752255033 - 2⁶ = 261752254969 is a prime.

It is not a weakly prime, because it can be changed into another prime (261752255053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130876127516 + 130876127517.

It is an arithmetic number, because the mean of its divisors is an integer number (130876127517).

Almost surely, 2^261752255033 is an apocalyptic number.

It is an amenable number.

261752255033 is a deficient number, since it is larger than the sum of its proper divisors (1).

261752255033 is an equidigital number, since it uses as much as digits as its factorization.

261752255033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 261752255033 in words is "two hundred sixty-one billion, seven hundred fifty-two million, two hundred fifty-five thousand, thirty-three".