265415525453653 has 2 divisors, whose sum is σ = 265415525453654. Its totient is φ = 265415525453652.

The previous prime is 265415525453641. The next prime is 265415525453693. The reversal of 265415525453653 is 356354525514562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238573417255684 + 26842108197969 = 15445822^2 + 5180937^2 .

It is a cyclic number.

It is not a de Polignac number, because 265415525453653 - 2¹⁷ = 265415525322581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265415525453591 and 265415525453600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265415525453693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132707762726826 + 132707762726827.

It is an arithmetic number, because the mean of its divisors is an integer number (132707762726827).

Almost surely, 2^{265415525453653} is an apocalyptic number.

It is an amenable number.

265415525453653 is a deficient number, since it is larger than the sum of its proper divisors (1).

265415525453653 is an equidigital number, since it uses as much as digits as its factorization.

265415525453653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000000, while the sum is 61.

The spelling of 265415525453653 in words is "two hundred sixty-five trillion, four hundred fifteen billion, five hundred twenty-five million, four hundred fifty-three thousand, six hundred fifty-three".