265651501201253 has 2 divisors, whose sum is σ = 265651501201254. Its totient is φ = 265651501201252.

The previous prime is 265651501201249. The next prime is 265651501201277. The reversal of 265651501201253 is 352102105156562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265291060666564 + 360440534689 = 16287758^2 + 600367^2 .

It is a cyclic number.

It is not a de Polignac number, because 265651501201253 - 2² = 265651501201249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265651501206253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132825750600626 + 132825750600627.

It is an arithmetic number, because the mean of its divisors is an integer number (132825750600627).

Almost surely, 2^{265651501201253} is an apocalyptic number.

It is an amenable number.

265651501201253 is a deficient number, since it is larger than the sum of its proper divisors (1).

265651501201253 is an equidigital number, since it uses as much as digits as its factorization.

265651501201253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 265651501201253 in words is "two hundred sixty-five trillion, six hundred fifty-one billion, five hundred one million, two hundred one thousand, two hundred fifty-three".